If you are currently staring at this lock screen, start with Step 1: check your payment status. In 90% of cases, paying the overdue amount and waiting 24 hours will restore full access. For the remaining 10%—especially second-hand buyers—the solution is more painful but possible.
: Once the payment is processed by the financier, the device typically receives an over-the-air (OTA) command to unlock automatically. If you are currently staring at this lock
In some regions, a server sync error or a SIM card change can trigger the lock accidentally. However, 99% of cases involve a missed payment by either you or the original buyer. : Once the payment is processed by the
: If you believe the lock is an error, you can submit an official appeal at the Xiaomi Support Appeal Page. You will need to provide your IMEI and proof of purchase. : If you believe the lock is an
: If you have already paid but are still locked out, do you have the IMEI number unlock code