There are various reasons as to why GPS won’t work as intended on your iPhone 7. Among the widely known culprits include network connectivity or signal issues, software bugs or apps glitches on GPS-enabled apps, faulty updates on GPS apps and/or iOS.
Other issues with GPS have been linked to environmental factors like a big tree, giant infrastructures, walls or tall buildings that can obstruct that signal strength between the iPhone and the sky.
=== '''Possible solutions and workarounds to deal with iPhone 7 GPS errors''' ===
Solution 1: Perform a soft reset
Solution 2: Turn off LTE
Solution 3: Reset Network Settings
Solution 4: Update iOS
Last Resort: Factory Reset
In worst cases, the problem is directly tied to hardware defect like a damaged or dysfunctional GPS chip on the iPhone. Alternatively, you can take your iPhone to an authorized service center for hardware assessment and/or repair.