To manually install the latest security patches if your phone isn't receiving them over-the-air (OTA). How to Update or Reinstall Firmware 1. Official OTA Update (Recommended)
Guide to Firmware for the ZTE Blade V40 Smart Maintaining the firmware on your ZTE Blade V40 Smart Firmware ZTE Blade V40 Smart
From a security standpoint, the firmware of the ZTE Blade V40 Smart is a double-edged sword. On one hand, because it is a budget device, ZTE may discontinue security patches after two years, leaving the firmware vulnerable to exploits like "BootRom" attacks or stagefright vulnerabilities. On the other hand, the obscurity of the Unisoc architecture acts as a minor deterrent against automated malware, though it does not protect against determined attackers. To manually install the latest security patches if