A phones screen freezing or being unresponsive can be attributed to many different factors. Often times a simple reset of your device will clear up issues that are causing your device to freeze or become unresponsive.
Press and hold the power button until the phone shuts down, wait 1 minute, turn it on.
If your phone has a removable battery, take the back cover off, take the battery out, wait 1 minute, re assemble the phone and power it back on.
Check the phones memory space, if you are running low, this may be the reason for the phone freezing, delete files, text or pictures that are no longer used to free up space.
For android phone you may attempt to perform a Soft Reset:
Press and hold the Volume Down and Power keys simultaneously until the device reboots. Typically this will take 11-12 seconds.
Release the keys when you see the LG bootup logo
Note: Depending on the state of your device you may see it perform a screenshot and/or a pop-up as shown below. This is normal.
Yianni is a Mobile communications expert and author of this help library article. Please leave him feedback below about the page.