PSA: iPhone 5 Must Update to iOS 10.3.4 ASAP to Avoid Internet Problems
Update: You can read how to fix iPhone 5 not working recently with internet, data, cellular calls, etc, here.
If you use iPhone 5 you will want to update the device to iOS 10.3.4 as soon as possible. Failure to do so means iPhone 5 will have problems with internet connectivity and functionality, significantly degrading the devices utility. This is apparently due to an issue with GPS having a correct time.
According to Apple, any iPhone 5 that is not updated to at least iOS 10.3.4 by November 3, 2019 will no longer be able to access key components of device features that rely on the internet and accurate date & time, including web browsing, email, GPS, iCloud, iCloud backups and restore, Software Update, and the App Store. In other words, most internet and internet functionality will not work on iPhone 5 without the software update.