Just wanted to share my findings. By disassembling and analyzing the firmware I was lucky and found the bit that controls the resolution.
I made two scripts for 1.0.9 and 1.0.12. Upload the attached file for your firmware version to the root of the SD card and rename it to autoexec.ash.
Should work for all HW revisions.
Use at your own risk.
Enjoy.
PS
I uploaded some scripts with various bitrates to github
https://github.com/funneld/XiaomiYi/tree/master/autoexec.ash
I made two scripts for 1.0.9 and 1.0.12. Upload the attached file for your firmware version to the root of the SD card and rename it to autoexec.ash.
Should work for all HW revisions.
Use at your own risk.
Enjoy.
PS
I uploaded some scripts with various bitrates to github
https://github.com/funneld/XiaomiYi/tree/master/autoexec.ash
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