[Hunter Adams] has written a secondary bootloader for the RP2040 that uses an IR link and can be extended to behave like a polite worm virus. This allows the easy updating of a large cluster of ...
With the launch of the Xiaomi Redmi Note 3 we started to see Xiaomi shipping phones with a locked boot loader, soon this will roll out to more devices with the Mi4C and Mi Note Pro already mentioned.