iPhone 5s Signal bad after update to 8.1
My problem is bad signal after installing 8.1 ..
My friends have the same problem!!!
Any one seen this problem in iPhone ?
How to fix theses problem?
I try reinstall the ios from my computer and the problem still have..
rest factory network settings ..
Updated to 8.1.2
Changing my sim card ...
Stop automatically searching ...
remov the cover of iPhone..
Please help me.....
Is this a good question?