Turn off "Automatic date and time" in settings and set it manually, as sync errors sometimes trigger this system crash. Step-by-Step Technical Solutions 1. Clear Data for System Apps This is the most common effective solution.
If your tablet has a SIM slot, power off the device, remove the SIM card, and reinsert it. Turn off "Automatic date and time" in settings
How to Fix 'com.android.phone Has Stopped' Error - Expert Solutions power off the device
A simple reboot can resolve temporary process conflicts. remove the SIM card