There are times when your Flipper feels blue and doesn't respond to any of your commands due to a software issue. This guide will help you solve this problem.
LEFT
and BACK
and hold for a couple of secondsLEFT
and BACK
This combo performs a hardware reset by pulling the MCU reset line down. Main components involved: Keys → DD8(NC7SZ32M5X, OR-gate) → DD1(STM32WB55, MCU).
It won't work only in one case:
BACK
and hold for 30 seconds (this will only work with the USB disconnected)BACK
keyThis combo performs a reset by switching SYS power line off and then on. Main components involved: Keys → DD6(bq25896, charger).
It won't work only in one case:
LEFT
on boot to enter DFU with Flipper boot-loaderIt won't work only in one case:
OK
on boot to enter DFU with ST boot-loaderIt won't work only in one case:
OK
keyLEFT
and BACK
and hold for a couple of secondsBACK
LEFT
This combo performs a hardware reset by pulling the MCU reset line down. Then, the LEFT
key indicates to the boot-loader that DFU mode is requested.
It won't work in two cases:
LEFT
, BACK
and OK
and hold for a couple of secondsBACK
and LEFT
This combo performs a hardware reset by pulling the MCU reset line down. Then, the OK
key forces MCU to load the internal boot-loader.
It won't work in two cases:
OK
keyBACK
and LEFT
for 30 secondsBACK
LEFT
This combo performs a reset by switching the SYS power line off and then on. Next, the LEFT
key indicates to the boot-loader that DFU mode is requested.
It won't work in two cases:
BACK
and OK
and hold for 30 secondsBACK
and OK
This combo performs a reset by switching the SYS power line off and then on. Next, the OK
key forces MCU to load the internal boot-loader.
It won't work in two cases:
OK
keyIf none of the described methods helped you:
If you're still here and your device is not working: it's not a software issue.