Connect your tablet to a PC with ADB/Fastboot installed. Use the command: fastboot flash recovery twrp_t1_701u.img Once flashed, boot into recovery by holding . 3. Wipe the Device
. This custom recovery was the "skeleton key" that allowed users to flash unofficial software and perform full system backups. CyanogenMod & LineageOS : Early efforts focused on porting CyanogenMod 11 Huawei T1-701u Custom Rom