Recent content by resegun

This is the way I loaded dhboot.bin.img extracted from DH_IPC-HX4XXX-Eos_Chn_PN_Stream3_V2.420.0000.22.R.20161209.bin. First of all, load the file into IDA as usual (as "U-Boot image", just uncheck "Enabled" under "Analysis" while loading the file, so it does not start auto analysis). IDA will...

I've spent some time reversing how the bootloader tries to do this update. It turns out that "upgrade_info_7db780a713a4.txt" contains a bunch of u-boot commands which are executed in sequence (with a couple of extra lines at the beginning of the file). The first line contains the crc32 of the...