23-Feb-2018, 10:23
Do you re-format the SD card before loading the new firmware?
If not, try doing that - download a 'clean' copy of the beta firmware, using Chrome as your browser, on the newly formatted card - then follow the routine suggested by K4680.
If not, try doing that - download a 'clean' copy of the beta firmware, using Chrome as your browser, on the newly formatted card - then follow the routine suggested by K4680.