I am updating my mi band 3 but after some error my band displaying connect to app to update.
Pls help me how can I back to my band
Don't panic. You probably flashed a Mili_wuhan.fw firmware file that requires a newest resource file so the band is asking for it... You just need to flash the companion Mili_wuhan.res file in the same way you flashed the other file.
Here you detailed instructions: