problem after downgrade 616v

[ali-g-string]

I have a few 616v that I downgrade. Now phone swtich off after 30- 60 mins.

Any one else have this problem, so far it happen on 5 out of 20 phones all 616v

[ACE_UK]

I have a few 616v that I downgrade. Now phone swtich off after 30- 60 mins.

Any one else have this problem, so far it happen on 5 out of 20 phones all 616v

I have had 2 phones do this maybe update for spears dongle will fix this ?

it has option to fix phone problems