: Some versions require a more advanced "ISP" method, involving
Updating the firmware on the ZTE ZXV10 B866V2 is a straightforward process that requires some basic technical knowledge. Here are the steps to follow: Zte Zxv10 B866v2 Firmware
A legitimate file will look like: ZXHN_B866V2_V2.0.0P1T5_UPGRADE_BOOTLDR.bin : Some versions require a more advanced "ISP"