Originally Posted by PrO...
Every now and again my phone won't make phone calls. When I hit call it pops up "call not sent" and goes back to the previous screen. I thought maybe out had something to do with WiFi calling but even if I turn off the Wi-Fi I have to restart the phone to make a call.
Originally Posted by charles.escoffery
I have the same problem , requires a reboot to fix as well...
Sent from my LGLS990 using XDA Free mobile app
Have you tried updating profile then prl?
Maybe after those go to "Activate device".