Default [Q] Huawei honor 6

Dear,
I have Huawei honor 6...
I purchase it from China but operate in Pakistan...
I have a problem with its wiFi....
Its stop scanning wiFi when I inserted SIM.....
I think its a problem of WIFI country code/CSC/Region code.......?
So, please help me to solve this....

I tried many apps to change CODE but they require root......
And this cellphone not be rooted from any Software...
so admin please write an article for Huawei honor 6 (Rooted) & also describe what changes occour on my Phone after rooting(any major Risk about company features)
Or
Tell me another way....!!