Mã: Vol +- connect Selected Platform : SC9863A_32_Bypass Connect Testpoint or hold VOL DOWN! Instruction here! Waiting for device... COM320 (SPRD U2S Diag) USB : USB\VID_1782&PID_4D00\1&79F5D87&2&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 partitions info... OK [63] Reading device info... OK [super] Model Name : U903 Manufacturer : Unitel Android Version : 11 Security Patch : 2021-08-05 Build ID : UNITEL_U903_V07_20210831 Build Date : Tue Aug 31 18:08:52 CST 2021 Erasing FRP... OK