The unlock is
permanent (relock warrantly).
Unlocking consists of assigning IMEI to the Apple database.
The iPhone will be permanently unlocked, and after the software update, the lock will not come back.
All software versions are supported.
iPhone Xr/Xs/Xs Max/11/11 Pro
Permanent iPhone unlocking running on the Sprint network.
Please insert an unaccepted simcard and turn on WI-FI, the iPhone will be unlocked remotely.
Delivery time: 1-5 days
Bulk orders allowed: No
Order type: IMEI
Service type: Server
Submit to verify allowed: No
Cancellation allowed: No
Order processing: Manual