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Unable to call out and receive calls

david2u
Star I

Version: 31.0210.0210.303

May I know what wrong with my phone and how to solve it?

When I call out or receive calls, no ringing at all?

2 REPLIES 2

hllsynotebook
Rising Star II

Where can I find the zip file? I will update manually.

david2u
Star I

I just found the root cause....when 2g/3g/4g is selected, mostly cannot receive call or make a call, however can do it when 2g/3g is selected, may I know how to solve it?