Can You Switch Carriers If Your Phone Isn't Paid Off?

Yes, you can switch carriers before your phone is paid off. Check your carrier's payoff terms before you leave. AT&T makes the unpaid installment balance due when you cancel the line. T-Mobile may keep billing device payments monthly if other lines remain active, but makes the balance due on the final bill if the whole account closes. Promotional bill credits may stop when you cancel, so the cost of switching can be higher than the balance shown on your latest statement. Once the phone is paid off and unlocked, you can use it on the new network.

What happens when you switch

Item	What usually happens
Installment balance	Check your carrier agreement; it may be due on the final bill or continue monthly if other lines stay active
Promo bill credits	May stop when you cancel; check the offer terms
Phone lock	Stays locked until it's paid off and meets the carrier's unlock rules
Phone number	Moves with you if you port it before canceling

Step-by-step switching plan

• Find your exact payoff amount and remaining promo credits in your account.
• Check whether your phone is locked and what your carrier requires to unlock it.
• Get your account number and number-transfer PIN from your current carrier.
• Start the number transfer with the new carrier before canceling your old line. Confirm how the transfer affects any other lines on your old account.
• Pay the final bill, then request the unlock if it doesn't happen on its own.

Payoff help from new carriers

Some carriers will help cover what you still owe. US Mobile's limited-time Free Your Phone program offers a zero-interest device-payoff advance of up to $1,000 per person over a lifetime, subject to PayPal approval. You must purchase an eligible US Mobile plan within six hours of approval and repay the advance under the offered installment terms. Big carriers also run switcher deals that reimburse payoff costs with prepaid cards or bill credits, usually with a minimum stay, so read the fine print.

Bundles with your home internet

Many people switch to save with a mobile line from their internet provider, such as Spectrum Mobile, Xfinity Mobile or Optimum Mobile. These usually require home internet from the same company. See whether you need a mobile bundle, whether Spectrum's bundle is worth it, and our Verizon vs Xfinity and Spectrum comparison. If you aren't an Xfinity internet customer, read whether you can still get Xfinity Mobile.

When it makes sense to wait

If you have only a few payments left, or large promo credits still coming, it's often cheaper to finish the plan first. If the new carrier or bundle saves more each month than you'd lose in credits, switching now can still come out ahead.