Step 1 прошёл успешно.
Step 2:
a. select MCU file as "3650_erase_1st_flash.bin"
b. select PPM file as "3650_erase_3rd_flash.bin"
c. Flash PPM only.
Сделал всё так, результат:
1st Boot Ok, WD2, UPP: 0082
Fl0: 0x00000000-0x007FFFFF,0001257E,Amd 29BDS643GT
Fl1: 0x02000000-0x027FFFFF,0001257E,Amd 29BDS643GT
Fl2: 0x04000000-0x047FFFFF,25020040,
Algorithm: w2_amd_b.fia
Algorithm Ok, MSID: 84898DC97F57EA9340A99B4962
Decoded MSID: 3E4EBAF7-00437610-A8000000
Encoded FAID: 85014B15-94AEEBBB-75D0668D
Erasing: 0x04000000-0x047FFFFF ...
Erasing Error: 10, at: 0x04000000-0x0401FFFF, 940207, Time: 0:00
Process Failed, Repowering Mobile