Vkworld s8 Screen lock =No network signal

[sgreenphone]

Hi Team, hi GSM world

Each time I lock the phone (lock screen ) network signal is lost and my network back again and works fine as long as the phone is unlocked.

I received the phone imie invalid i build it with cm2

I flash stuck ROM from vkworld official web site

I Update via wi-fi 90 mo update

Write imie flash and phone factory reset did not resolve the issue .
Eny seggest i will be thankful

Br

[YellowBoss]

Hi,
Do you mean ordinary gsm network signal become lost when phone screen become locked ?

[sgreenphone]

Yes i mean network signal (the bars of the network gone ) its says no service and you cant receive eny call when screen is locked
after unlock the secreen saver the bars come back all fine