What T-Mobile's upgrade program does and how to use it
T-Mobile's upgrade program lets you trade in your current phone and get a new one, with T-Mobile paying part of the cost through a credit toward your bill. The program is built into most T-Mobile plans — you don't sign up separately. When you're ready to upgrade, you go to a T-Mobile store, order online, or call 611 from your T-Mobile phone, and the process takes a few minutes to a few days depending on which method you choose.
The amount T-Mobile credits you depends on the phone you trade in. A newer flagship phone in good condition might get you $400 to $600 in credit, while older or damaged phones get less — sometimes $50 or nothing if the phone won't power on or has severe water damage. T-Mobile applies this credit to your bill over 24 months, so you see it as a monthly discount rather than a lump sum.
You don't have to trade in a phone to upgrade. You can buy a new phone at full price or on a payment plan without trading anything in. But trading in usually saves you money if your old phone still works.
Key Takeaways
- T-Mobile's upgrade program credits you based on your old phone's condition and model, applied as a monthly bill discount over 24 months.
- You can upgrade in a store, online, or by phone, and the process takes minutes to a few days depending on your method.
- The phone you trade in must power on and have no severe water damage to receive any credit; cosmetic damage reduces the credit amount.
- If you don't trade in a phone, you can still upgrade by paying full price or choosing a payment plan instead.
- T-Mobile's upgrade may be able to access depends on your account status and plan type, not on how long you've owned your current phone.
How T-Mobile determines what your phone is worth
T-Mobile uses an automated system to value your trade-in phone. When you start an upgrade, you answer questions about the phone's condition: Does it power on? Is the screen cracked? Does it have water damage? Based on your answers, the system assigns a trade-in value.
The value depends most on the phone model and age. A two-year-old iPhone 14 Pro in good condition might be worth $400, while the same model with a cracked screen might be worth $250. A five-year-old iPhone 11 in perfect condition might be worth $100. T-Mobile's system checks these values regularly, so the amount you see today may differ from what you would have seen three months ago.
If the system says your phone is worth $0 — usually because it won't power on or has severe water damage — you can still upgrade without trading it in. You just won't get any credit. Some T-Mobile stores will accept phones that the online system rejects, so if you get a $0 offer online, calling a store to ask is worth trying.
Upgrading in a T-Mobile store versus online
A T-Mobile store visit takes 30 minutes to an hour. You bring your old phone, a staff member inspects it and confirms the trade-in value on the spot, you choose your new phone, and they activate it before you leave. You walk out with a working phone the same day. The trade-in credit appears on your next bill.
Upgrading online through T-Mobile's website or app is faster to start — you answer the condition questions and see your trade-in value in minutes — but the full process takes longer overall. You order the new phone, T-Mobile ships it to you (usually in 2 to 5 business days), and you activate it yourself using the SIM card and instructions in the box. You then mail your old phone back in a prepaid envelope. If T-Mobile's inspection of the returned phone disagrees with your condition answers, they may reduce the credit, though this is uncommon.
Ordering by phone through 611 works similarly to online ordering: you describe the phone, get a trade-in value, order the new phone, and mail back the old one. A T-Mobile representative walks you through activation over the phone if you need help.
What happens if your phone doesn't meet the trade-in requirements
T-Mobile won't accept phones that won't power on, have severe water damage, or are missing major parts like the battery or screen. If your phone falls into one of these categories, the system will offer $0 trade-in value. You can still upgrade — you just pay the full price or a payment plan for the new phone without any credit.
Phones with minor cosmetic damage — small scratches, dents, or a slightly cracked back glass — still receive credit, though less than a phone in perfect condition. A phone with a cracked screen receives significantly less credit because screen replacement is expensive. If you're unsure whether your phone qualifies, the online system will show you the value before you commit to anything.
Understanding the 24-month payment plan for your new phone
When you upgrade, T-Mobile typically puts your new phone on a 24-month payment plan. If the phone costs $800 and you trade in a phone worth $400, you pay $400 divided into 24 monthly payments of roughly $16.67, plus tax. The trade-in credit reduces the amount you owe, not the length of the plan.
You own the phone outright once you finish the 24 months of payments — there's no buyout or additional step. If you want to upgrade again before the 24 months are up, you can, but you'll still owe the remaining balance on the current phone unless you trade it in. T-Mobile will apply the trade-in value to the new phone's cost, but the old phone's remaining balance stays on your account until it's paid off or forgiven through a promotion.
Some T-Mobile promotions forgive the remaining balance on your old phone when you trade it in for a new one, but these are temporary offers that change monthly. Check T-Mobile's current promotions before upgrading to see if one applies to you.
Checking if you're may be able to access to upgrade
T-Mobile doesn't require you to wait a certain amount of time between upgrades — you can upgrade as often as you want. However, your account must be in good standing: no past-due balances, no suspended service, and no active disputes. If your account is suspended or has a past-due balance, you'll need to resolve that before upgrading.
If you're on a prepaid T-Mobile plan, you can't use the standard upgrade program. Prepaid customers can buy new phones at full price or on a payment plan, but they don't get trade-in credits or monthly bill discounts. If you're on a postpaid plan (the standard monthly billing), you're may be able to access.
Some older or limited plans may not may have access to for certain promotions, but you can still upgrade and trade in your phone. Call 611 or visit a store to confirm your account's may be able to access for current promotions if you're unsure.
What to do if your trade-in credit doesn't appear on your bill
The trade-in credit usually appears on your bill within one to two billing cycles after T-Mobile receives and inspects your returned phone. If you upgraded in a store, the credit should show up on your next bill. If you upgraded online and mailed the phone back, allow an extra week or two for T-Mobile to receive and process it.
If the credit doesn't appear after two billing cycles, contact T-Mobile at 611 or through the T-Mobile app. Have your order number and the phone's IMEI (a 15-digit number on the phone's back or in Settings) ready. T-Mobile can look up the trade-in status and apply the credit manually if there was a processing error.
If T-Mobile's inspection of your returned phone found damage you didn't disclose, they may reduce the credit or deny it entirely. They'll send you a notice explaining the reason. You can dispute this by calling 611 with photos of the phone's condition before you mailed it, though T-Mobile's decision is usually final.
Frequently Asked Questions
Can I upgrade if I still owe money on my current phone?
Yes. If you trade in the phone you still owe money on, T-Mobile applies the trade-in credit to the new phone's cost. The remaining balance on the old phone stays on your account and you continue paying it monthly until it's paid off, unless a current promotion forgives it.
What if I want to keep my old phone instead of trading it in?
You can upgrade without trading in anything. You'll pay the full price or a payment plan for the new phone with no trade-in credit. This makes sense if your old phone still works and you want to keep it as a backup or sell it yourself.
Does T-Mobile upgrade phones that are damaged but still work?
Yes, as long as the phone powers on and doesn't have severe water damage. Cracked screens, dents, and scratches reduce the trade-in value but don't disqualify the phone. If the phone won't turn on at all, T-Mobile won't accept it for trade-in.
How long does it take to get the new phone after I order online?
T-Mobile usually ships within one to two business days, and delivery takes another two to five business days depending on your location. You can activate the phone as soon as it arrives without waiting for T-Mobile to receive your old phone back.
Can I upgrade to a cheaper phone and get a credit?
Yes. If you trade in a $400 phone for a $300 phone, T-Mobile will credit you the difference. However, the credit is applied to your bill over 24 months, not given to you as cash or a one-time discount.