And somewhere in a forgotten server park, a corrupted .mod file sits un-deleted, whispering: “Restore failed. But the backup exists. Are you sure you want to proceed?”
Huawei’s firmware servers check the device’s IMEI and region code. If you are trying to install firmware intended for a different region (e.g., Chinese firmware on a European device), the server will reject the request and show this error. And somewhere in a forgotten server park, a corrupted
Follow the on-screen instructions to put your phone into Fastboot mode. a corrupted .mod file sits un-deleted