iPhone Unlock
Unlock a T-Mobile, Metro, Sprint or Boost iPhone by IMEI
T-Mobile, Metro by T-Mobile, Sprint and Boost Mobile devices share one activation-policy family. Here is how to check the lock, which sub-brand policy applies, and how to unlock by IMEI — including blacklisted devices.
Last reviewed 2026-10-26
T-Mobile now owns the Sprint, Metro by T-Mobile and Boost-legacy customer base, so most of these devices report as T-Mobile-locked even when the phone was originally a Sprint or Metro handset. “MetroPCS” on the box does not change the unlock path.
The two things that decide whether a T-Mobile-family iPhone can be unlocked are the device’s current status in the carrier database and whether the IMEI is finance-cleared.
T-Mobile family eligibility at a glance
- Device is paid off and not reported lost or stolen.
- Postpaid devices need a minimum period of service on the line (T-Mobile currently asks for 40 days for most postpaid devices).
- Prepaid and Metro devices need a minimum number of days and a minimum top-up before the carrier will release them.
- Sprint-legacy devices must have no open lease or installment balance.
- Devices flagged as blacklisted or reported stolen will not pass a normal unlock; they need a blacklist-tier service, and only if the flag is a carrier-side finance flag rather than a theft report.
Verify the lock before you order
Run an Apple SIM lock / carrier check on the IMEI. You want three answers from it: which carrier the device is locked to, whether the current activation policy is T (T-Mobile/Metro family) or another carrier, and whether the device shows any blacklist or replacement flag.
This matters because a common reseller trap is an iPhone sold as “T-Mobile unlocked” that is actually still on a Metro activation policy — the unlock order goes through and the phone still refuses foreign SIMs.
Ordering the unlock
- 1Pick the T-Mobile / Metro unlock service that covers your iPhone generation (iPhone 4 through the current generation).
- 2Submit the IMEI exactly as printed in Settings → General → About. A single wrong digit returns a “device not found” error hours later.
- 3Wait for order completion. Standard turnaround is a few hours to a couple of days depending on the carrier queue.
- 4Insert a non-T-Mobile SIM and complete the setup — no AT&T/Metro SIM prompt should appear.
Note
If the device is financed and reported blacklisted, a premium blacklist unlock service is the correct product. It is more expensive precisely because it carries the risk.Services used in this guide
These are the exact catalogue entries this guide refers to. Prices and turnaround are live.
Open the catalogueFrequently asked questions
Frequently asked questions
Is a MetroPCS unlock the same as a T-Mobile unlock?
Functionally yes — both resolve through the T-Mobile activation policy. The difference is the eligibility rules the carrier applies, which is why the unlock services are grouped in the T-Mobile / Metro category.
Can a blacklisted T-Mobile iPhone be unlocked?
Finance-blacklist devices can sometimes be unlocked with a blacklist-tier service. Devices reported lost or stolen cannot — no legitimate unlock exists for them.
Do I need the original T-Mobile account or phone number?
No. IMEI-based unlocking does not require account access, so it also works for second-hand devices where the previous owner is unreachable.
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Check iPhone SIM Lock Status by IMEI
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