A new popup message will appear that says, these settings are intended for development use only. Should be right above the About Device option. Go back to Settings and now you will have Developer Options.Find Build Number and tap on it seven (7) times and then you will see a toast message that says, you are now a developer.This option should be located under the System section. Go to Settings, find the About Device option and tap it.
Here we will go through a little bit advanced route in an attempt to troubleshoot the problem, which is to disable the mock locations feature on Android. Disable Mock Location Feature from Developer Settings If you are still experiencing the error then I will highly recommend you to move somewhere outside as it could be happening due to low/poor GPS signals. Once done, try to play Pokemon Go and see if the failed to detect location error disappears. Tap on the Mode option and select High Accuracy to set GPS to maximum location accuracy mode.Go to Settings and tap on the Location option.Since the game is unable to detect your location, so we will have to check and make sure the location services and GPS option are enabled on your phone. Enable GPS Location Services on your Phone
