Tecno B1s (Boot - Recovery- DataBase)

B1S Stock (Boot – Recovery – DataBase) B1-F8018D-OGo-190930V142(MobiFirmware.com)
B1S Stock (Boot – Recovery – DataBase) B1S-F8018F-OGo-KESF-200810V65(MobiFirmware.com)
B1S Stock (Boot – Recovery – DataBase) B1S-F8018F-OGo-KESF-191003V62(MobiFirmware.com)