Unlock Sunmi T2
Open QFIL → Select "Flat Build" → Load the firehose programmer ( prog_emmc_firehose_Sm6150.mbn ) → Load the rawprogram → Click "Download".
(if you don’t know the lock screen PIN/pattern): unlock sunmi t2
How to reset SUNMI L2s Pro when locked?, How To - HardReset.info Open QFIL → Select "Flat Build" → Load