Zte Blade V40 Design Firmware Fixed -
Users flashing custom or unsigned firmware would lose their IMEI numbers, turning the phone into a Wi-Fi-only tablet. Fixed in V2.0.15: The official repair firmware now includes a persist partition fixer that restores factory IMEI during the flash process, provided you back up your NVRAM first.
A fresh firmware installation or update can resolve several critical performance issues: zte blade v40 design firmware fixed


