If Share My Location Setting or option is greyed out on iPhone, you won’t be able to share your Location with anyone by using Messages, Find My and other Apps that support this feature.
In general, the most common reason for Share My Location feature not working on iPhone is due to the User not being signed-in to iCloud and the Location Services feature not being enabled.
If Share My Location Setting has become unresponsive or appears grayed out, it is most likely that you have placed Share My Location under restrictions.
Share My Location Option Grayed Out on iPhone
If “Share My Location” feature is not working or the Share My Location setting is grayed out, you can should be able to fix the problem using the following steps.
1. Sign-in to iCloud
In order to use Share My Location, you need to be logged-in to your device.
1. Open Settings and tap on your Apple ID. If you are not logged-in, tap on Sign in to your iPhone.
2. On the next screen, enter your Apple ID and Password to login to your device.
2. Enable Location Services
iPhone can track your location, only if Apple’s “Location Services” feature is enabled on your device.
1. Go to Settings > Privacy > Location Services.
2. On the next screen, make sure that the option for Location Services is turned ON.
3. After this, tap on Share My Location (it should now become available).
4. On the next screen, move the toggle next to Share My Location to ON position and read the Message below this entry.
Share My Location feature is working on your device, if the message reads “Share your Location with family and friends in Messages…”.
3. Disable Restrictions
It is possible that you may have placed restrictions on Share My location option using Screen Time Passcode.
1. Go to Settings > Screen Time > tap on Content Privacy & Restrictions.
2. If prompted, enter your 4-digit Screen Time Password > On the next screen, tap on Location Services.
3. On Location services screen, select Allow Changes option and tap on Share My Location option.
4. On the next screen, move the toggle next to Share My Location to ON position.
Make sure the Message under “Share My Location” entry reads “Share your Location with family and friends in Messages and Find My…”.