T-Mobile Return Policy: 14 Days In Store, 20 Days Online

T-Mobile’s return policy gives you 14 days from the purchase or lease date to return or exchange a phone or accessory bought at a T-Mobile store, and 20 days from the date your device shipped if you ordered online or by phone. The device must come back with its receipt, in its original package, with everything it came with, undamaged and in good working condition. Expect a restocking fee of $25 to $75 depending on the phone’s full retail price, and a refund that can take up to 30 days to process. This guide explains how T-Mobile returns work, the fee scale, the Costco exception, what happens if the phone comes back damaged, and how to start a return without losing your number.

Return Windows at a Glance

Purchase channel	Return window	Good to know
T-Mobile retail location	14 days from the purchase or lease date	Return to a T-Mobile retail location with your receipt
Phone or online order	20 days from the date the Device shipped	Return to a store or ship it back; mail returns must be postmarked within 20 days of shipping
Authorized third-party dealer	That dealer’s own return policy	T-Mobile’s 14-day window does not apply; service can still be cancelled within 14 days by returning the device to the dealer
Purchases made in partnership with Costco	90 days from the purchase or lease date	Handled by Costco’s dedicated T-Mobile support team at 833-906-2803
Trade-in device	Separate trade-in process	The new-device return process does not cover trade-ins
Prepaid services, e-coupons and gift cards	Non-refundable	No return window applies to these at all

How to Return a Device to T-Mobile

1. Work out which window applies to you. A phone bought in a store has 14 days from the purchase or lease date. A phone ordered online or by phone has 20 days counted from the date it shipped to you — not from the day it arrived. Check your receipt or order confirmation for the exact date, because day 15 in store or day 21 online is already too late.
2. Back up your data and wipe the phone. Remove your personal data with a master reset before you hand anything back. T-Mobile’s own guidance tells you to review your device’s tutorial for the reset steps, and a phone that still holds your photos, messages and accounts is a privacy risk as well as a delay.
3. Gather everything that came in the box. You must return the device with its receipt, in its package, with all contents — including the USB charging cable. SIM cards do not need to be returned. Keep accessories you bought separately, such as memory cards, because those are yours to keep and are not part of the return.
4. Get a Return Authorization if you are shipping it back. If you are new to T-Mobile, call 1-866-675-1292 to request a Return Authorization for all returns and exchanges, or to return the device and cancel a new service activation. If you are a current customer returning an upgrade device, call 1-800-937-8997. T-Mobile will email you a prepaid shipping label once the return is started.
5. Return it in store, or post it inside the window. In-store returns go to any T-Mobile retail location. Mailed returns must be postmarked within 20 days of the date the order shipped, packed securely so the device is not damaged in transit. If you are using the original box, cover the existing labels and stickers, and print any battery or cargo label in colour if one is supplied.
6. Wait for the refund. T-Mobile says refunds may take up to 30 days to process, and the refund is the purchase price excluding rebates, special discounts and restocking fees. Keep your approval email, return tracking number and carrier acceptance receipt until the money is back in your account.

How Long Do You Have to Return a Phone to T-Mobile?

The headline number depends entirely on how you bought the phone. Buy it at a T-Mobile retail location and you have 14 days from the purchase or lease date to return or exchange it for a refund. Order it online or over the phone and the window stretches to 20 days from the date the device shipped to you. That is a meaningful difference: an online order that spends three days in transit effectively gives you about 17 days from delivery, so do not count 20 days from the day the box lands on your doorstep.

The condition rules are the same either way. The device must be returned with your receipt, in its package, with all contents, undamaged and in good working condition, with no material alterations to the device’s hardware or software. T-Mobile also warns that certain promotional offers may require you to return all items you received with your device, and that returning only the phone could make you ineligible for the promotional discount that came with it. If your deal included a free accessory, a second device or a rebate, check the promotion terms before you split the bundle.

There is one generous exception. Devices bought through T-Mobile’s partnership with Costco have a 90-day return window from the purchase or lease date, handled by Costco’s dedicated T-Mobile support team at 833-906-2803. All original contents must be undamaged and in good working condition, and you must provide your original receipt. Promotional devices such as “Buy One Get One Free” must all be returned together, and some limited edition devices may not be refunded or exchanged at all.

What Is T-Mobile’s Restocking Fee?

T-Mobile charges a restocking fee on many device returns, and the amount is set by the device’s Full Retail Price (FRP) — the price before any discount or promotion:

Device Full Retail Price	Restocking fee
$600 or more	$75
$300 to $599	$50
Under $300	$25

The fee is deducted from your refund along with any rebates received, applicable taxes and fees, and shipping costs. So a $700 phone returned in perfect condition does not come back as a $700 refund: it comes back as the purchase price minus the $75 restocking fee, minus any rebate and shipping. T-Mobile’s policy says you “may” be required to pay the fee, which means it is applied at T-Mobile’s discretion rather than being automatic on every return — but you should budget for it and treat a fee-free return as a pleasant surprise, not the expectation.

Note that the fee scale is not the same everywhere. T-Mobile publishes separate state versions of the policy for Hawaii and Puerto Rico, and the Puerto Rico schedule is lower — $70, $40 and $20 at the same price bands. If you bought your device in Hawaii or Puerto Rico, check the state-specific version of the policy linked from T-Mobile’s Return Policy page before you return it.

How Are Refunds Issued and How Long Do They Take?

Once T-Mobile has your device back, the refund is the purchase price excluding rebates, special discounts and restocking fees. T-Mobile states that refunds may take up to 30 days to process, which is slower than most retailers — Apple, for comparison, sends card refunds within five business days. Do not expect the money to appear the same week you drop the phone off.

A few things can shrink the refund further. Any rebate you received is deducted, as are applicable taxes and fees and shipping costs. You are also responsible for any charges incurred before you cancel the service, so a line you used for a week before returning the phone is not free. If the returned device is damaged or the return is not completed properly, T-Mobile says you will not be refunded at all — and it reserves the right to charge you the cost of repairing a damaged or altered device, or the suggested full retail price of a destroyed, altered or non-returned device, which may be more than the price you paid, plus shipping and handling.

If you do not return the device, or you return it damaged or altered, T-Mobile may also prevent the device from working or refuse to process your service cancellation. That is why the condition check matters so much: a cracked screen on a returned phone can turn a refund into a full-price charge.

What Can’t Be Returned to T-Mobile?

T-Mobile’s published policy is explicit about three categories that are non-refundable:

• Prepaid services — money already paid for prepaid service does not come back
• E-coupons — electronic coupons cannot be refunded
• Gift cards — T-Mobile gift cards are non-refundable

Beyond that list, the practical exclusions come from the condition rules. A device that is damaged, altered, missing its contents or returned without its packaging does not qualify for a refund or exchange. Limited edition devices may not be refunded or exchanged, and promotional devices returned without the rest of the promotional bundle can lose the promotion. Trade-in devices follow a separate process entirely — the new-device return steps on this page do not apply to a phone you traded in.

Items bought from an authorized third-party dealer are another boundary. For refunds and exchanges on those purchases, you follow the individual dealer’s return policy, not T-Mobile’s. The one T-Mobile rule that does reach dealer purchases is service cancellation: to cancel service, return the device in its original package with all original contents, undamaged and in good working condition, within 14 days of the purchase date, to the authorized dealer location where you bought it.

Does Returning a Phone Cancel Your T-Mobile Service?

Returning the device and cancelling the service are two different actions, and T-Mobile treats them that way. If you bought the phone online or by phone and want to return it and cancel a new service activation, say so when you contact T-Mobile — new customers call 1-866-675-1292 to request the Return Authorization and the cancellation together. If you only return the phone and say nothing about the line, the service can keep running and keep billing you.

You are responsible for any charges incurred before the service is cancelled, and if the device is not returned at all, T-Mobile may elect not to process your service cancellation. The clean sequence is: request the Return Authorization, confirm the cancellation is in motion, return the device inside its window, and keep the confirmation until both the refund and the final bill are settled.

Can You Return an Accessory to T-Mobile?

Yes. T-Mobile’s policy covers a “Device or accessory” under the same rules — the 14-day in-store window and the 20-day online and phone window apply to accessories as well as phones, and the same condition requirements apply: receipt, original package, all contents, undamaged and in good working condition.

In practice, the restocking fee is what makes accessory returns different. The fee is based on the device’s Full Retail Price, so a cheap accessory under $300 sits in the $25 band — which can be a large share of a $30 case or charger. Before returning a low-cost accessory, work out whether the refund after the fee and any shipping deduction is worth the trip. Accessories you bought separately from the phone, such as a memory card, are yours to keep and are not part of a phone return — T-Mobile’s guidance specifically says to keep them.

Does T-Mobile Extend Returns for the Holidays?

T-Mobile’s published Return Policy page states the 14-day and 20-day windows with no holiday extension mentioned. Unlike clothing retailers that routinely stretch December purchases into January, T-Mobile’s legal-center policy gives no seasonal grace period. If you buy a phone as a holiday gift, count the window from the purchase or ship date as published, not from Christmas Day — a phone bought in early December can be outside its window before the gift is even opened. The Costco partnership’s 90-day window is the only published route to a materially longer return period, and it applies only to devices bought through that partnership.

Is Returning Different for Store and Online Purchases?

Yes, and the difference is the whole point of T-Mobile’s policy. In-store purchases are returned to a T-Mobile retail location within 14 days of the purchase or lease date, with the receipt and the complete package. Online and phone orders give you 20 days from the ship date, and you have two routes: take the device to any T-Mobile retail location, or ship it back with the prepaid label T-Mobile emails you after you start the return. Mailed returns must be postmarked within 20 days of the order shipping, and you should pack the device securely — damage in transit is your problem, not T-Mobile’s.

One more practical difference: the phone numbers are different. New customers returning a device or cancelling a new activation call 1-866-675-1292. Current customers returning an upgrade device call 1-800-937-8997. If you cannot get to a store, start the process through the chat bubble on T-Mobile’s support pages or by calling Customer Care at 1-800-937-8997.

T-Mobile Contact Options

Option	Details
Customer Care (returns, general help)	1-800-937-8997
New customers — Return Authorization / cancel new activation	1-866-675-1292
Current customers — returning an upgrade device	1-800-937-8997
New account online activations / add-a-line returns	1-800-672-5390
Costco partnership returns	833-906-2803 (Costco’s dedicated T-Mobile support team)
In store	Any T-Mobile retail location accepts returns within the window
Online return start	T-Mobile support site — chat bubble or Customer Care; prepaid UPS label emailed after the return is started

T-Mobile on Social Media

T-Mobile runs one of the most active social presences of any US carrier, and its social support team — known as T-Force — handles customer issues on social channels as well as by phone. Its official profiles include:

Instagram · Facebook · X (Twitter) · YouTube

These are T-Mobile’s official brand profiles, linked from the footer of t-mobile.com. Social support can be a fast route to a human for a return question, but the return itself still has to go through the store, the mailed label or the phone numbers above — a direct message does not start a Return Authorization on its own.

Frequently Asked Questions

Related Guides

• AT&T Return Policy
• Walmart Return Policy
• Target Return Policy
• Costco Return Policy
• Amazon Return Policy
• Best Buy Return Policy
• Apple Return Policy
• Home Depot Return Policy
• Lowe’s Return Policy

Conclusion

T-Mobile’s return policy is short, strict and channel-dependent: 14 days in store, 20 days from shipment online, a restocking fee that can reach $75, and a refund that can take a full month. The two mistakes that cost people money are counting the online window from delivery instead of the ship date, and returning a phone without its cable, box or receipt. Check your window the day the phone arrives, back it up and wipe it, keep everything that came in the box, and get your Return Authorization before you ship anything. Do that, and the return is straightforward — even if the refund is slower than you would like.

Disclaimer: Policy Return is an independent guide and is not affiliated with T-Mobile. Return policies can change at any time; always confirm the current policy on T-Mobile’s official website before making a return.

Checked against T-Mobile’s published policy on 14 November 2026. Policies change; the retailer’s official page is the final word.