iPhone 5/4 – important patch 10.3.4/9.3.6

iPhone 5/4 – Users

As of November 3, 2019, some iPhone and iPad models introduced in 2012 and earlier require an iOS update to resume accurate GPS location.

How can fix this if you missing this upgrade in your iPhone 5 before November 3, 2019?

Backup and Restore using a Mac or PC

https://support.apple.com/en-us/HT204184#computer