yes previous android builds can block boot from SD
SOLUTIONS
- erase emmc ( serial uart uboot command line =>
store init 3
or khadas-rescue/docs/README-rescue-emmc-clean.md at master · hyphop/khadas-rescue · GitHub) - VIM1 VIM2 – mask rom mode triple F key simple start from SD
- VIM3 VIM3L – update mode long press P key
- manual uboot commands =>
fatload mmc 0:1 20000000 s905_autoscript && autoscr 20000000; fatload mmc 1:1 20000000 s905_autoscript && autoscr 20000000
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