Most ZTE Blade devices use Qualcomm Snapdragon chips. The is the standard tool for flashing XMF or PAC files. Alternatively, ZTE has a proprietary SPD Upgrade Tool for Spreadtrum variants.
Necessary for unbricking a phone that has failed to boot after unauthorized modifications. How to Check for Official Updates (OTA) Firmware ZTE Blade V50 Smart
If your device is unresponsive, you may need to manually flash the firmware using a computer. The ZTE Blade V50 series typically uses either or Unisoc chipsets. 1. Prerequisites Most ZTE Blade devices use Qualcomm Snapdragon chips