I can't update my iPhone apps
[Re-Titled by Moderator]
Looks like you have an outdated iPhone.
Check -> iPhone type & iOS version -> Go to Settings -> General -> About.
The last security updates iOS 12.5.6 -> released August 31, 2022, available for iPhone 5s, iPhone 6, iPhone 6 Plus.
Yes, most apps require iOS 13 or later.
Considering a newer type of iPhone?
When you want to buy a newer iPhone, check:
The All Too Common SAD Reality of Buying a Used iPad/iPhone
The All Too Common SAD Reality of Buying … - Apple Community
Apple Store -> iPhone - Buying iPhone - Apple
Apple Certified Refurbished -> Refurbished iPhone - iPhone 12 Pro - Apple
Google Voice in App Store -> https://apps.apple.com/us/app/google-voice/id318698524
Compatibility - iPhone - Requires iOS 14.0 or later.
Additional:
See -> If you see No Service or Searching on your iPhone or iPad
If you see No Service or Searching on your iPhone or iPad - Apple Support
Turn VPN Off
Check your Wi-Fi.
Charge the battery > 70%.
Click here for more support and assistance, to download the last compatible version.