Operating System for your Mobile Device
Android (Google): https://support.google.com/android/answer/7680439?hl=en
Apple (iOS): https://support.apple.com/en-ca/guide/iphone/iph3e504502/ios
Check for App Updates on your Mobile Device
Android (Google): https://support.google.com/googleplay/answer/113412?hl=en
Apple (iOS): https://support.apple.com/en-ca/guide/iphone/iph98709f167/ios