Archive name: GF36_Z33_V1.0.9_20181123（过认证）
FW version: Android Oreo 8.1
Archive file size: 1.06 GB
Model: Zoji Z33 Smartphone
Platform: Mediatek MT6739
Build number: full_k39tv1_bsp-user 8.1.0 O11019 1541666959 release-keys
Inside archive: firmare + SP_Flash_Tool_exe_Windows_v5.1616.00
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.