Rename the downloaded firmware file to update.zip and place it directly into the root directory of the USB drive. Do not place it inside any folder. Power Down: Unplug the power adapter from the ZTE box.
Copy the update.zip file directly to the root directory of your FAT32 USB flash drive. Do not unzip the archive. Rename it to update.zip if it has a different name. Step 3: Access Recovery Mode zte zxv10 b760hs3 firmware
Leftover cache data from the previous operating system is conflicting with the new firmware. Rename the downloaded firmware file to update