: Users have noted that while system updates do occur to fix bugs and improve performance, major OS version jumps are less common. Flashing and Recovery
If the device requires a complete firmware reinstall (flashing), specialized tools and modes are used: Firmware ZTE Blade V40 Smart
If the device has a Google account signed in, you will be prompted for those credentials after flashing (Factory Reset Protection). : Users have noted that while system updates
This comprehensive guide covers everything you need to know about —from identifying the correct stock ROM to step-by-step flashing instructions. if your phone is running smoothly
Often the Unisoc Download Port (SPD Upgrade Tool) since the device uses a Unisoc chipset.
However, if your phone is running smoothly, do not flash a newer firmware just for the sake of it—especially from unofficial sources.