Good day.. my razer phone just got update to 8.1 android after that my cannot make a

[Swordfish1978]

My Razer phone just got issue after i updated to android 8.1. what is the problem. It cannot recieve a call and cannot perform call. But there is a signal on my network.

 

[sinkoo1979]

My Razer phone just got issue after i updated to android 8.1. what is the problem. It cannot recieve a call and cannot perform call. But there is a signal on my network.

Type #*#*4636*#*# and change the phone frequency to your cell phone providers.