Do OnePlus Phones Work on T-Mobile? Compatible Models & 5G Support

Do OnePlus Phones Work on T-Mobile in the USA?

Many OnePlus phones have cellular hardware that supports T-Mobile’s network, especially models sold for the North American market.

OnePlus publishes detailed network specifications for its U.S. smartphones. Models such as the OnePlus 15, 13, 13R, 12 and 12R list multiple LTE and 5G bands also identified in T-Mobile’s official network documentation.

That is useful evidence, but radio-band compatibility and carrier activation eligibility are different things.

A OnePlus phone must satisfy several requirements:

1. Network compatibility: Its exact hardware model supports appropriate T-Mobile LTE and 5G technologies.
2. Unlock status: It is not restricted to another wireless carrier.
3. Device eligibility: T-Mobile accepts the specific device’s IMEI for activation.
4. Feature compatibility: Essential calling, messaging, data and SIM services are supported.
5. Local coverage: Suitable network service is available where you intend to use the phone.

T-Mobile’s Bring Your Own Device documentation advises customers to verify network frequencies, device unlocking and IMEI eligibility.

It also cautions that functionality and performance are not guaranteed for every device originally sold outside its authorized channels.

Are OnePlus phones officially supported by T-Mobile?

Some OnePlus devices have been offered through U.S. carrier sales channels, while other models are sold directly by OnePlus or independent retailers.

However, the fact that a manufacturer sells a phone in the United States does not automatically confirm carrier approval for every individual device or advanced network feature.

The appropriate final check is T-Mobile’s official IMEI compatibility checker.

For the broader requirements applying to other smartphone brands, see our T-Mobile Compatible Phones guide.

Which T-Mobile 4G LTE and 5G Bands Should a OnePlus Phone Support?

Before comparing specific OnePlus models, it helps to understand how T-Mobile’s network is organized.

Wireless carriers use designated radio-frequency bands. A smartphone must support the relevant frequencies and technologies to connect to those parts of the network.

T-Mobile identifies the following LTE and 5G frequencies in its official network documentation.

T-Mobile also lists certain millimeter-wave 5G frequencies, including n258, n260 and n261. The table above emphasizes frequencies most useful to this OnePlus model comparison and is not a complete inventory of network deployments.

Why are LTE B12 and B71 important?

LTE B12 and B71 are part of T-Mobile’s Extended Range LTE offering.

Because these lower-frequency bands have useful propagation characteristics, they can contribute to broader coverage, including service in some locations where higher-frequency signals are less effective.

Actual reception still depends on local tower deployments, terrain, buildings and network conditions.

A OnePlus phone missing B71 may still use other supported LTE frequencies, but buyers should not assume it will deliver the same coverage as a version supporting both B12 and B71.

Why do 5G n71 and n41 matter?

n71 is associated with T-Mobile’s 600 MHz Extended Range 5G network.

n41 operates at 2.5 GHz and forms part of T-Mobile’s Ultra Capacity 5G network.

The two bands serve different network purposes. A phone can support n41 while lacking n71, which means its published specifications do not establish support for the carrier’s n71-based Extended Range 5G layer.

This distinction is particularly important for imported smartphones.

Does a OnePlus phone need every T-Mobile band?

No. A smartphone does not need every published frequency to establish a connection somewhere on the network.

However, a broader combination of suitable bands can provide access to more of the network’s capabilities where those frequencies are deployed.

Matching frequencies are useful evidence, but they do not independently guarantee carrier activation, signal quality, 5G speeds or every software-dependent service.

OnePlus T-Mobile Compatibility List: Supported 4G and 5G Bands

The following table compares official OnePlus specifications against four important T-Mobile frequencies.

How to read the table: “Listed” means the band appears in the manufacturer’s published specification for that market. “Not listed” means it is absent from that particular regional specification. This is a hardware comparison, not an official T-Mobile approval list.

Verification: Official OnePlus regional specification pages reviewed October 20, 2026. Bands are selected examples rather than complete radio lists. No individual IMEI checks, activation tests, coverage measurements or speed tests were performed.

The clearest difference is between the North American OnePlus 13 and the Indian-market OnePlus 13: the former lists B12, B71 and n71, while the latter does not.

These findings suggest that buyers should evaluate the exact regional configuration rather than assume that every phone with a familiar OnePlus product name provides identical network support.

Remember that the table does not establish VoLTE, Wi-Fi Calling, eSIM activation or device-specific carrier approval.

Do Popular OnePlus Models Work on T-Mobile? Model-by-Model Analysis

OnePlus 15 on T-Mobile

The U.S. OnePlus 15 is a relevant candidate for T-Mobile users because OnePlus lists multiple important network frequencies, including:

• LTE B4, B5, B12, B66 and B71
• 5G n25, n41 and n71
• Other LTE and 5G bands for additional network capabilities

These overlap with frequencies in T-Mobile’s official network documentation.

OnePlus’s U.S. OnePlus 15 specifications also list eSIM support and a dual nano-SIM slot. However, actual SIM arrangements and carrier eSIM eligibility should be checked for the specific purchased configuration.

A compatible band list does not establish that every retail OnePlus 15 can immediately activate through T-Mobile eSIM.

For other device characteristics, explore the OnePlus 15 specifications on PhonicSpecs.

Assessment: Strong manufacturer-documented network-band overlap for the U.S. specification. The exact device still needs unlock and IMEI verification.

OnePlus 15R on T-Mobile

OnePlus’s U.S. OnePlus 15R specification also includes LTE B12/B71 and 5G n71/n41.

This provides evidence of support for important T-Mobile frequency layers, despite the 15R belonging to a different product tier from the regular OnePlus 15.

The official OnePlus 15R specification additionally identifies eSIM hardware support, but carrier activation must be confirmed separately.

Because sellers may offer multiple market variants, verify the exact model and the device’s IMEI rather than relying solely on the name OnePlus 15R.

Assessment: Broad relevant frequency support in the published U.S. specification; individual device eligibility remains unverified.

OnePlus 13 on T-Mobile

The North American OnePlus 13 is particularly useful for understanding model-specific compatibility.

Its U.S. specifications include LTE B4, B5, B12, B66 and B71, along with 5G n25, n41 and n71.

That is strong evidence of radio-band support for multiple parts of T-Mobile’s network.

However, OnePlus’s Indian-market OnePlus 13 specification differs considerably, as explained later in this guide.

See the OnePlus 13 overview on PhonicSpecs for additional specifications and device comparisons.

Assessment: The North American configuration has substantial frequency overlap with T-Mobile. Confirm the exact version before buying.

OnePlus 13R on T-Mobile

OnePlus’s North American 13R specification lists LTE B12, B71 and B66, alongside 5G n25, n41 and n71.

This means the published radio hardware supports several important T-Mobile LTE and 5G bands.

The device may appeal to shoppers comparing performance-focused Android phones, but T-Mobile eligibility is still device-specific.

Check OnePlus’s official 13R network specifications and explore the OnePlus 13R specifications on PhonicSpecs.

Assessment: Relevant North American 4G and 5G band support is documented. Unlock status, SIM functionality and IMEI eligibility require confirmation.

OnePlus 12 and OnePlus 12R on T-Mobile

Both the North American OnePlus 12 and OnePlus 12R have published support for important T-Mobile bands.

The OnePlus 12 specifications include LTE B12/B71 and 5G n71/n41. The OnePlus 12R specifications also list those frequencies.

These older models remain relevant to people keeping an existing handset or evaluating a used phone.

However, the network-band list is only one consideration. Buyers should assess the phone’s condition, remaining software support, battery health and activation eligibility.

You can compare the OnePlus 12 and OnePlus 12R on PhonicSpecs.

Assessment: Strong published network-band overlap for the cited North American models. Verify the specific used or refurbished phone before purchasing.

OnePlus 11 on T-Mobile

The North American OnePlus 11 specification lists LTE B71 and 5G n71/n41, along with other relevant network bands.

That means its age alone does not establish a lack of T-Mobile radio compatibility.

Nevertheless, an older phone may have different software-support and hardware-condition considerations than a recent model.

Check the OnePlus 11 manufacturer specifications and review the OnePlus 11 details on PhonicSpecs.

Assessment: Relevant radio support is documented, but a used-device purchase should include software, condition and eligibility checks.

OnePlus Nord N200 5G and older Nord phones

Some budget-oriented OnePlus Nord phones were also designed with U.S. network frequencies in mind.

For example, the U.S. OnePlus Nord N200 5G specifications list LTE B12/B71 and 5G n71/n41.

However, the Nord family contains different models and regional versions. A frequency list verified for the Nord N200 5G should not be applied automatically to every Nord model.

Older budget phones also deserve special attention for software updates, battery condition and continued suitability for everyday use.

Assessment: Some U.S. Nord models have relevant T-Mobile band support. Evaluate each exact device separately.

North American vs. Indian and Global OnePlus Phones: Why the Version Matters

One of the biggest mistakes when buying an imported smartphone is assuming that every regional version shares the same cellular hardware.

OnePlus sells smartphones in multiple markets, and the manufacturer can publish different frequency lists for devices carrying the same product name.

Example: OnePlus 13 North America vs. India

Compare the official North American OnePlus 13 specifications against the Indian OnePlus 13 specifications.

This comparison demonstrates that the Indian-market OnePlus 13 has some overlapping T-Mobile frequencies but lacks several important Extended Range bands in its published specification.

It does not prove that the Indian model cannot connect anywhere on T-Mobile. It means that buyers cannot expect the same network-band access as the North American configuration.

Is the global OnePlus version always compatible?

No. The word “global” is not a guarantee of full U.S. carrier compatibility.

A global model may be intended for sale across several countries, each with different network requirements.

Some global configurations have broad frequency support. Others lack bands that are important to U.S. carriers.

The accurate approach is to check the manufacturer’s specifications for the exact hardware model and region, not just the seller’s marketing description.

What about Chinese-market OnePlus phones?

Chinese-market variants may have different supported network frequencies, software configurations, SIM options and service features.

Before importing one for T-Mobile, verify the original hardware model and manufacturer-published network-band list.

Do not assume that changing software regions or installing another operating-system build will add missing radio hardware or guarantee carrier activation.

If you’re considering a used or imported OnePlus phone, our T-Mobile Unlocked Phones buying guide covers additional checks involving device restrictions, seller documentation and return terms.

Does OnePlus Support T-Mobile 5G and 5G Ultra Capacity?

Several North American OnePlus smartphones list 5G frequencies associated with T-Mobile’s network.

However, simply displaying a 5G label in the phone specifications does not establish access to every T-Mobile 5G technology.

Extended Range 5G on OnePlus

T-Mobile identifies n71 as its Extended Range 5G band.

The North American OnePlus 15, 13, 13R, 12, 12R and 11 specifications all list n71.

This means their radio specifications include a frequency relevant to T-Mobile’s low-band 5G network.

Whether the phone actually connects depends on local coverage, carrier eligibility, supported network configurations and service activation.

Ultra Capacity 5G on OnePlus

T-Mobile’s Ultra Capacity 5G network includes n41 and other published frequencies.

All the North American OnePlus examples in the comparison table list n41, making them relevant candidates for this network layer.

However, supporting n41 alone does not guarantee the appearance of a 5G UC indicator or a particular download speed.

Actual performance varies with signal conditions, device configuration, network congestion and deployment.

Does 5G standalone or non-standalone support matter?

Yes. Modern 5G networks may use standalone (SA) and non-standalone (NSA) architectures.

Some OnePlus specifications distinguish between the supported 5G radio modes. For example, manufacturer documentation for certain earlier models lists SA and NSA bands separately.

Band support and network mode support are related but distinct requirements. Users should not assume that listing an individual 5G band guarantees every possible network configuration.

For important functionality, rely on the exact manufacturer’s specification and T-Mobile’s current device eligibility information.

OnePlus on T-Mobile: SIM, eSIM, VoLTE and Wi-Fi Calling

Supporting appropriate cellular frequencies is only part of a successful carrier experience.

The phone must also be activated using a supported method, and the services you rely on need to function correctly.

Can you use a T-Mobile physical SIM in a OnePlus phone?

Many OnePlus smartphones have physical nano-SIM support. For example, OnePlus lists dual nano-SIM slots in its U.S. OnePlus 15 and OnePlus 13 specifications.

However, the presence of a physical SIM slot does not establish activation eligibility.

The phone must be unlocked, accepted by T-Mobile and capable of using the relevant network technologies.

Does OnePlus eSIM work on T-Mobile?

Some OnePlus phones have eSIM hardware support, but the manufacturer’s specification and the carrier’s activation eligibility are separate checks.

OnePlus lists eSIM support on certain U.S. models, including the OnePlus 15 and 15R. Its OnePlus 13 documentation specifically cautions that eSIM functionality can depend on local carrier compatibility.

T-Mobile’s BYOD compatibility checker may ask for the device’s EID when additional eSIM verification is needed.

Therefore, a phone supporting eSIM in its technical specifications should not automatically be treated as approved for T-Mobile eSIM activation.

If eSIM eligibility remains uncertain, ask T-Mobile whether the particular OnePlus model can be activated with a supported physical SIM instead.

What about VoLTE for OnePlus voice calls?

VoLTE, or Voice over LTE, allows supported phones to carry voice calls over the LTE network.

T-Mobile identifies VoLTE as part of its LTE service, but carrier configuration and device software can affect whether calling functions correctly.

If you are importing a OnePlus phone, confirm that ordinary incoming and outgoing cellular calls are supported instead of relying only on mobile-data connectivity.

Does Wi-Fi Calling work on OnePlus?

Wi-Fi Calling functionality depends on a compatible device, active carrier service and appropriate configuration.

T-Mobile’s Wi-Fi Calling documentation describes the applicable requirements.

On a OnePlus device originally sold outside the United States, the appearance of a Wi-Fi Calling setting should not be treated as a guarantee that the carrier will support it.

Confirm the feature on the exact device before relying on it for everyday or important calls.

Does every compatible OnePlus phone support T-Satellite?

No such assumption should be made.

Satellite-related services have separate eligibility and feature requirements. An LTE/5G-compatible OnePlus phone is not automatically eligible for every T-Mobile satellite service.

Check the carrier’s official satellite support information if this functionality is important to you.

How to Check Whether Your OnePlus Phone Will Work on T-Mobile

Use this process before purchasing an imported OnePlus phone, switching from another provider or relying on a secondhand handset.

Step 1: Identify the exact OnePlus model

Open Settings on your OnePlus and locate the device information screen, commonly labeled About device or About phone.

Record the manufacturer model number and original sales region when available.

Settings labels may differ between OxygenOS versions.

Step 2: Review the official network bands

Find the exact model on OnePlus’s official North American website or the appropriate regional OnePlus site.

Examine the published LTE and 5G frequencies.

For T-Mobile, investigate B12, B71, n71 and n41 alongside other relevant bands and supported network technologies.

Step 3: Verify carrier-unlock status

If the phone was purchased through another wireless provider, confirm that the original carrier’s network lock has been removed.

An unlocked phone can potentially use another supported carrier, but unlocking does not add missing cellular frequencies.

For used devices, ask the seller for trustworthy confirmation before payment.

Step 4: Check the phone’s IMEI with T-Mobile

1. Open the OnePlus phone’s dialer.
2. Enter *#06# to display the IMEI.
3. Visit T-Mobile’s official IMEI compatibility checker.
4. Enter the appropriate 15-digit IMEI.
5. Read the network eligibility result and any related warnings.
6. Confirm unlocking, blocking and SIM or eSIM eligibility where necessary.

If the result is unknown or partially compatible, seek clarification before assuming the phone will work as intended.

Our T-Mobile IMEI Check guide explains how to interpret different results and what to do next.

Step 5: Check coverage where you use the phone

Use T-Mobile’s coverage map to investigate your home, workplace and other frequently visited locations.

A phone may support several relevant frequencies without receiving every available network layer in every location.

Step 6: Confirm the important features

Before completing the switch, confirm the activation method and any essential services such as voice calls, SMS, mobile data, eSIM and Wi-Fi Calling.

For used or imported devices, also investigate battery condition, software updates, warranty coverage and the seller’s return policy.

If an essential requirement cannot be confirmed, resolve that uncertainty before purchasing the device or moving your primary phone number.

OnePlus T-Mobile Problems: 5G, eSIM, Calling and No Service

Connection problems can involve different causes, so troubleshooting should begin by identifying whether the issue is related to network hardware, activation, coverage or software.

OnePlus supports 5G but only connects to LTE

First, confirm that the exact regional model supports the applicable T-Mobile 5G frequencies.

A device may support n41 but lack n71, or it may have limitations involving the network modes required in your location.

Also check T-Mobile 5G coverage and whether the device is fully eligible and activated.

Do not assume that every 5G connection problem can be solved through a phone settings change.

OnePlus eSIM cannot be activated

eSIM hardware support is not the same as carrier eSIM approval.

If T-Mobile cannot confirm compatibility, verify the IMEI and provide the EID through the official process when requested.

Some users have reported different experiences activating OnePlus eSIMs on T-Mobile, but individual reports cannot establish a universal compatibility problem.

If the device is eligible for physical SIM activation, ask T-Mobile whether that method is appropriate.

OnePlus has signal but mobile data does not work

Signal bars do not prove that the cellular account has been activated correctly or that data services are configured.

Confirm the active SIM, carrier eligibility and network coverage first.

If T-Mobile confirms that the device and line are supported, follow its official BYOD APN and mobile-data guidance when appropriate.

Changing APN settings cannot add unsupported radio hardware.

Mobile data works but voice calls fail

A phone may establish some data connectivity while voice services remain unavailable.

Check carrier activation, VoLTE support and software configuration for the exact device.

Ask T-Mobile and OnePlus support to investigate if ordinary calling remains unavailable.

The IMEI result says unknown or partially compatible

An unknown result means the carrier has not confirmed eligibility. It should not be treated as automatic approval or rejection.

A partially compatible result suggests limitations involving supported network technologies or frequencies.

T-Mobile warns that partial compatibility may reduce available coverage or data performance.

Confirm the model identifier and published network bands, then seek clarification from the carrier if necessary.

Will installing different firmware improve compatibility?

Software versions can affect available settings and supported services, but they should not be assumed to add hardware radio frequencies that the device does not support.

Do not rely on unverified software modifications as a substitute for proper carrier eligibility and hardware compatibility.

Which OnePlus Phone Should You Choose for T-Mobile?

The most suitable device depends on your budget, preferred features, desired software support and whether the exact phone can be verified for T-Mobile.

Is a North American OnePlus safer to buy for T-Mobile?

A North American OnePlus model with documented support for important T-Mobile frequencies is generally easier to evaluate for U.S. service than an imported variant missing some of those bands.

That does not mean every North American phone is automatically approved or that every imported model is unsuitable.

The important factors are the actual hardware specification, unlock status, IMEI eligibility and the features you need.

Should you buy a used OnePlus flagship?

A used OnePlus flagship may provide attractive hardware for the price, but its purchase history and condition matter.

Before purchasing, investigate:

• The exact manufacturer model number and sales region.
• Carrier-unlock status.
• IMEI eligibility and any device blocking restrictions.
• Remaining software and security update support.
• Battery condition and previous repairs.
• Supported physical SIM and eSIM options.
• Seller reputation, warranty and return terms.

A low purchase price should not outweigh serious activation uncertainty or the inability to return an unusable phone.

Compare OnePlus phones before making a decision

Once you have identified suitable candidates, visit the PhonicSpecs OnePlus phone catalog to compare hardware specifications.

You can also use the PhonicSpecs Phone Finder to explore other smartphones or the phone comparison interface to evaluate shortlisted models.

When reviewing prices, select the relevant market. A price listed for Pakistan, India or another region should not be interpreted as a verified U.S. selling price.

Use PhonicSpecs for independent device research and T-Mobile’s official tools for final carrier eligibility.

Frequently Asked Questions About OnePlus and T-Mobile

Do OnePlus phones work on T-Mobile?

Many do. North American OnePlus models such as the 15, 13, 12 and 11 list important T-Mobile LTE and 5G frequencies. However, compatibility depends on the exact variant, unlock status, IMEI eligibility and required carrier features.

Does OnePlus 15 support T-Mobile 5G?

The official U.S. OnePlus 15 specification lists 5G n71, n41 and n25, among other bands. These overlap with important T-Mobile 5G frequencies. Actual activation and available service must still be verified for the specific phone.

Does OnePlus 13 work on T-Mobile?

The North American OnePlus 13 lists LTE B12/B71 and 5G n71/n41, providing strong radio-band overlap. The Indian-market specification lacks several of those frequencies. Confirm the exact regional model and IMEI before assuming compatibility.

Is OnePlus 13R compatible with T-Mobile?

The North American OnePlus 13R specification lists LTE B71 and 5G n71/n41, along with other relevant bands. That provides useful evidence of hardware support, but the particular device still needs T-Mobile activation verification.

Will OnePlus 12 work on T-Mobile 5G?

The North American OnePlus 12 specifications list important T-Mobile 5G frequencies, including n71 and n41. Actual service depends on local coverage, network configuration, IMEI eligibility and activation.

Can OnePlus 12R use T-Mobile?

Its North American specification includes LTE B12/B71 and 5G n71/n41. This makes it a relevant candidate, but users should check the exact handset through T-Mobile’s official IMEI tool.

Does OnePlus Nord support T-Mobile?

Some U.S.-market Nord phones support important T-Mobile network frequencies. For example, the U.S. Nord N200 5G specification lists LTE B71 and 5G n71/n41. Other Nord models and regions require separate verification.

Do OnePlus phones support T-Mobile Band 71?

Several North American OnePlus phones list LTE B71 and 5G n71, including the U.S. OnePlus 15, 13, 13R, 12, 12R and 11. However, not every international variant includes those frequencies.

Can the Indian OnePlus 13 work on T-Mobile?

The Indian-market specification lists some frequencies relevant to T-Mobile, including LTE B4/B66 and 5G n41. It does not list LTE B12/B71 or 5G n71. Consequently, full network support should not be assumed, and activation eligibility must be checked separately.

Does T-Mobile support OnePlus eSIM?

Some OnePlus models include eSIM hardware, but compatibility with T-Mobile’s activation process depends on the particular device. The carrier may require an EID check. A physical SIM may be an alternative on supported devices.

Will an unlocked OnePlus phone automatically work on T-Mobile?

No. Unlocking only removes the relevant carrier restriction. The phone must also support suitable network technologies and pass the device eligibility check. An unlocked international OnePlus may still lack important T-Mobile bands.

Does supporting n41 guarantee T-Mobile 5G UC?

No. n41 is relevant to T-Mobile Ultra Capacity 5G, but actual service depends on local coverage, supported network modes, device eligibility and carrier configuration. Matching a single band does not guarantee 5G UC access or particular speeds.

Can I check OnePlus T-Mobile compatibility without visiting a store?

Yes. Find the phone’s IMEI by dialing *#06#, then enter it into T-Mobile’s official online compatibility checker. Check the exact manufacturer’s specifications if the result is unclear.

Why does my OnePlus show LTE instead of 5G?

Possible explanations include missing 5G frequency support, unavailable local 5G coverage, carrier activation issues or device network configuration. Verify the regional specifications and eligibility before deciding which explanation applies.

Final Verdict: Which OnePlus Phones Can Work on T-Mobile?

Many North American OnePlus smartphones offer substantial hardware support for T-Mobile’s 4G LTE and 5G networks. Models including the OnePlus 15, 13, 13R, 12, 12R and 11 list important bands such as B71, n71 and n41.

However, compatibility should not be generalized across every regional variant. The OnePlus 13 provides a clear example: its North American configuration lists several T-Mobile Extended Range bands that are missing from the Indian-market specification.

The safest process is to identify the exact model, review the official LTE/5G band list, verify the unlock status and complete the T-Mobile IMEI compatibility check.

For related guidance, explore our T-Mobile Compatible Phones guide, IMEI Check guide and Unlocked Phones buying guide.

Once you know which models meet your requirements, browse the OnePlus specifications on PhonicSpecs to compare their displays, cameras, batteries, performance and other features before choosing your next phone.

Sources and Verification

This article was researched using official T-Mobile and OnePlus documentation available on October 20, 2026.

• T-Mobile — Network Technologies and Frequencies
• T-Mobile — Bring Your Own Phone and IMEI Checker
• T-Mobile — Bring Your Own Device Guide
• T-Mobile — SIM and eSIM Support
• T-Mobile — Wi-Fi Calling Support
• OnePlus — OnePlus 15 U.S. Specifications
• OnePlus — OnePlus 15R U.S. Specifications
• OnePlus — OnePlus 13 North American Specifications
• OnePlus — OnePlus 13 Indian-Market Specifications
• OnePlus — OnePlus 13R North American Specifications
• OnePlus — OnePlus 12 North American Specifications
• OnePlus — OnePlus 12R North American Specifications
• OnePlus — OnePlus 11 U.S. Specifications
• OnePlus — Nord N200 5G U.S. Specifications

Editorial verification note: Device comparisons are based on OnePlus’s manufacturer-published regional specifications and T-Mobile’s official documentation. No individual IMEIs were submitted, and no hands-on network, activation, reception, speed or feature testing was conducted for this article. Published band support is not proof of carrier certification, device eligibility or full functionality. Actual compatibility can depend on the precise regional variant, firmware, radio configuration, carrier provisioning, device status and local network deployment. PhonicSpecs is an independent smartphone information website and is not affiliated with OnePlus or T-Mobile.