Phones Compatible with Assurance Wireless — BYOP Guide 2026

Yes, you can keep the phone you already own. Assurance Wireless runs a Bring Your Own Phone (BYOP) program, and most unlocked phones made in the last few years will work. Your device needs three things: it must be unlocked, it must support the T-Mobile network, and it must pass Assurance’s IMEI compatibility check.

This guide shows you how to check your phone in about two minutes, what to do if it’s locked, which phones usually pass, and what your options are if yours doesn’t.

Why the T-Mobile network decides everything

Assurance Wireless is owned by T-Mobile and uses T-Mobile’s towers for all of its service. So “compatible with Assurance Wireless” really means “compatible with T-Mobile.”

That’s good news for most people. T-Mobile’s network is one of the friendliest in the country for phones you already own. If you want to see how this compares with other carriers, our guide to Lifeline providers on the T-Mobile network breaks down who else shares the same towers.

Assurance Wireless is not available in every state. The company left the Oregon Lifeline program in April 2022, and coverage varies elsewhere. Before you do anything else, check that Assurance serves your address using USAC’s free Companies Near Me tool.

The 3 requirements your phone must meet

Requirement	What it means	How to check
Unlocked	Not tied to another carrier’s network by software	Ask your old carrier, or try another carrier’s SIM
Right network bands	Supports T-Mobile’s 4G LTE and 5G frequencies	Look up your model’s specs, or just run the IMEI check
Passes the IMEI check	Assurance’s system approves your exact device	Enter your IMEI on the Assurance BYOP page

For the technically curious: T-Mobile’s main 4G LTE bands are 2, 4, 12, 66 and 71, and its 5G bands are n41 and n71. Band 71 is the one that matters most for rural areas and indoor signal — a phone missing it may show full bars downtown but struggle at home.

You don’t have to memorize any of that. The IMEI check does the work for you.

How to check if your phone is compatible

This takes about two minutes and costs nothing.

• Find your IMEI. Open your phone’s dialer and type *#06#. Your 15-digit IMEI number appears on screen right away.
• Write it down (or take a screenshot so you don’t mistype it).
• Go to the official checker at assurancewireless.com/byod.
• Enter your IMEI and select Check My Phone.
• Read the result. You’ll see either a “compatible” confirmation or a message that your device won’t work.

If dialing the code doesn’t work, you can find your IMEI another way:

• Android: Settings → About Phone → Status
• iPhone: Settings → General → About (scroll down)
• Any phone: check the box it came in, or the label under a removable battery

Assurance’s compatibility checker tells you whether your model works on the network — it does not tell you whether your phone is locked. Those are two separate problems, and a locked phone will fail at activation even after passing the check.

Which phones usually work

Assurance Wireless doesn’t publish a master list of approved devices, and that list would change constantly anyway. What we can say honestly is which families of phones typically pass, based on how T-Mobile’s network works.

Generally pass:

• iPhones — iPhone SE (2nd generation) and newer, plus iPhone 11 and later models
• Samsung Galaxy — most A-series and S-series phones sold in the US in recent years
• Google Pixel — unlocked Pixel models
• Motorola Moto G — including Moto G Play and Moto G Power
• Any factory-unlocked Android bought in the US that supports LTE bands 2, 4, 12, 66 and 71

Generally fail:

• 3G-only phones. All major US carriers shut down their 3G networks. These phones cannot connect at all anymore.
• Old CDMA-only phones from the Sprint or Verizon era with no LTE support.
• Phones without VoLTE (Voice over LTE). Without it, calls won’t go through.
• Phones still locked to AT&T, Verizon, Cricket, Metro, or another Lifeline carrier.
• Phones reported lost or stolen. These are blocked by IMEI and cannot be activated by anyone.
• Many imported or international models. They often skip band 71, so coverage is poor even when they technically connect.

Treat these as guidance, not a promise. Two phones with the same name can have different internals depending on where they were sold. Only the IMEI check confirms your exact device.

What if your phone is locked?

A locked phone has software on it that stops it from working on another company’s network. If you got the phone free or cheap from a carrier, assume it’s locked until you confirm otherwise.

To unlock a phone from another carrier, you have to contact that carrier — Assurance can’t do it for you. They may ask you to pay off any balance first, and unlocking can take a few days. The FCC’s consumer guide to cell phone unlocking explains your rights here in plain language.

If the phone came from Assurance Wireless, their published policy is more generous than most people expect. Assurance will unlock one of its own devices free of charge once it has been active for at least 12 months, as long as it hasn’t been reported lost or stolen. On eligible devices they do it automatically and remotely within two business days. Deployed military personnel in good standing can request an unlock early with deployment papers.

One honest caveat straight from Assurance’s own terms: unlocking a phone doesn’t guarantee another carrier will accept it, and some unlocked devices support voice but not data on a new network.

If you’re leaving Assurance rather than joining, our guide to switching Lifeline providers walks through the timing rules first.

What happens after your phone passes

Once you’re approved for Lifeline and your device checks out, Assurance sends you either a physical SIM card or an eSIM you can download over Wi-Fi in a few minutes. There’s no charge for the SIM, no activation fee, and no deposit.

You’ll need to activate the service and use the phone within 30 days, so don’t let the envelope sit on the counter. Our Lifeline activation guide covers the general process, and if data doesn’t come on right away, check your Assurance Wireless network settings.

Keeping your current phone number

Most numbers can move to Assurance. Once your SIM is installed, call Customer Care at 1-888-321-5880 and have this ready:

• Your previous carrier’s name
• Your previous account number
• Your previous account PIN
• The phone number you want to keep

Back up your contacts and texts first. You may have service on both carriers for up to 24 hours during the transfer — and do not cancel your old service until Assurance texts you that the transfer is complete. Cancelling early is the most common way people lose a number permanently. There’s more detail in our guide on keeping your number when switching providers.

If your phone isn’t compatible

You still have options, and none of them cost you your Lifeline benefit.

Buy a low-cost device. Assurance sells budget phones to approved customers. Here’s what was listed on their phone options page at the time of writing — all plus taxes and shipping, and all models vary by state and sell out:

Phone	Price	Notes
Artia SP555	$31.99	5.45″ screen, Android Go, hearing aid compatible (M3/T3)
FOXXD A55 4G LTE	$39.99	5.5″ screen, basic camera, 4G only
Revvl 6x Pro 5G	$90.00	6.8″ screen, 128GB storage, 5G
Samsung Galaxy A15 5G	$99.00	6.5″ screen, 50MP camera, 5000mAh battery
iPhone SE	$129.99	4.7″ screen, 64GB, iOS

Prices and models change often, so confirm before you pay.

Ask about a free device. Whether a free basic smartphone is offered depends on your state and current stock. In California, for example, Assurance provides phones free to eligible customers through its vendors. Your application will show what’s actually available at your address — and if anyone promises you a specific flagship phone before you apply, read our Lifeline scam alert first.

Look at another provider. Assurance isn’t your only choice. Compare it against the alternatives in our Assurance Wireless review, our AirTalk vs Assurance comparison, or the full list of best Lifeline providers. Carriers on other networks have different compatibility rules — a phone that fails here may pass with StandUp Wireless or TruConnect.

Four things to know before you bring your own phone

1. Your phone must have Wi-Fi. Assurance’s BYOP terms require it, and under FCC rules (47 CFR § 54.408) devices used with Lifeline broadband service have to be Wi-Fi enabled. Every modern smartphone qualifies, so this only rules out very old basic phones.

2. Hotspot needs a capable device. Assurance’s plans include mobile hotspot up to your data allowance, but the fine print says a capable device is required. Some older or budget phones can’t tether.

3. A few features may not work perfectly. Assurance states plainly that on a phone it didn’t sell, certain services — including MMS picture messaging and some pre-installed apps — may not function. That’s normal for BYOP across the industry, but it’s worth knowing before you’re surprised.

4. You have to use the service. Talk, text, or use data at least once every 30 days, or you can lose the benefit. You also have to recertify once a year to keep it.

What you actually get on the plan

Bringing your own phone doesn’t change your benefit. As of 2026, Assurance’s free Lifeline plans include unlimited talk and text plus:

• 10GB high-speed data in most states
• 12GB on the California LifeLine plan
• 12GB on the Tribal Lands Lifeline plan

There’s $0 upfront and $0 monthly. Behind the scenes, the federal Lifeline discount is $9.25 per month, or up to $34.25 per month for households on qualifying Tribal lands.

Remember that Lifeline is one benefit per household, not per person. If someone at your address already has Lifeline with any provider, a second application will be denied.

Frequently Asked Questions

Provider details, prices, and coverage change. Verify current offers at assurancewireless.com and confirm Assurance serves your address at cnm.universalservice.org before applying.