To upgrade latest 2 in 1 firmware pls note these information:

1, Install upgrade tool 2.1.7 version.

2, Select devices and choose .ROM firmware to upgrade the latest firmware.

! ! ! 
170SD.0.1.0.31.GA.20230919 MUST UPGRADE TO 170SD_1_3_2_8_GA_20251224 First
And then upgrde C112_1_3_2_12_GA_20251229