You can check the software version of your mobile phone. If you don't have the latest software version, it's recommended you update the phone software.
Step 1 of 5
Find "About"
Tap Settings.
Step 2 of 5
Find "About"
Tap General.
Step 3 of 5
Find "About"
Tap About.
Step 4 of 5
Check the software version
Your mobile phone's software version is displayed next to Version.