Question I can't pair my Band any more

[Salamantry]

Hello
Today i found my Band with this sitution and i can't pair it any more with my Phone and this three Screens that all what i can see in the Band.

I use the Band with English Langauge.
Yesterday i paired for Last time.

on the Phone i get " Couldn't connect to the Band"
Can you please Help with it?

 

[aebrahimi]

1.unistal all apps related to mi band
2.unpair in mi fit
3.instal gadget bridge
4.install orginal firmware by extract from mi fit apk