After the recent MANDATORY firmware updates rolled out by Xiaomi, flashing custom firmwares with downG and the ScooterHacking Utility android apps fails:
the main issue seems to be the newer dashboards coming with BLE157 - which interferes with the flashing of non-approved firmwares.
I initially thought that the ESC micro had something done to it to make it more secure - but - just swapping over the dashboard has worked for me.
I would expect this method to become redundant soon :)
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