Right now you don’t need to worry about teaching your mum to use the phone, Screen recording function is easy to demonstrate with the screen display and your speech.
In the winter, I can manipulate the phone freely as I got glove outside.
When C22 is out of battery but no charging condition, switch on this mode makes you still standby for a long time.
Sharing your excellent video with your family on the big screen, only a few steps, happiness is from everyone.
The phone is mine, I have my private contact and private calls which makes me so at ease.
When you have this mode, your eyes can get soothing in the darker night, protecting your vision.
Check this and you can find the information on your device specifically.