Connect Testpoint or hold VOL DOWN! Instruction here! Waiting for device... COM297 (SPRD U2S Diag) USB : USB\VID_1782&PID_4D00\1&79F5D87&1B&0000 Initializing loader... OK Protocol : SPRD3 Sending payload... OK Sending auth data... OK Sending preloader1... OK Sending preloader2... OK Booting loader, please wait... OK Boot ver: Spreadtrum Boot Block version 1.1 Sending FDL1... OK Sending FDL2... OK Reading Serial Number... N.A Reading partitions info... OK [71] [8192] Dual boot-slot : B Reading device info... SKIP [EROFS] Erasing FRP... OK