Hi there! I understand your AllTrails app on your iPhone is either not connecting or showing a blank screen. Let’s work together to get it back up and running. To start, could you tell me if this blank screen happens right when you open the app, or does it occur after some time using it? Also, have you tried any fixes so far like restarting your phone or checking your internet connection?

Once I have a bit more detail, I can guide you through the best steps to solve this. Meanwhile, here are some initial steps that often help:

1. Check your internet connection: Make sure your Wi-Fi or cellular data is working well.
2. Force quit and reopen the app: Swipe up from the bottom (or double-click home button if your iPhone has one) and swipe the AllTrails app off the screen to close it, then reopen it.
3. Ensure Background App Refresh is enabled: Go to Settings > General > Background App Refresh and make sure it’s turned on for AllTrails.
4. Update the app: Check the App Store for any updates available for AllTrails.
5. Restart your iPhone: Sometimes a reboot clears temporary glitches.
6. Delete and reinstall the app: This tends to resolve many issues, and your hike history will be preserved if you log back in with the same email address.

If these steps don’t fix the problem, let me know, and we can try some more advanced troubleshooting! Are you satisfied with this approach so far?