Hey SkiSharp,
If we understand correctly, you are not able to drop a pin on Maps. It looks like you have already done some troubleshooting to solve this issue. Even though there is a chance that you've tried these steps already, we would recommend you follow every step and let us know if the issue persists. One thing you can do is close the Maps app and then open it again and see if it will drop the pin.
- Touch and hold the map until a pin marker appears.
- To help you find the location later, you can save it to your favorites, to a guide, or to Contacts. Swipe up on the information card, then choose an option.
- To close the information card, tap
."
Mark places in Maps on iPhone
- "On an iPhone X or later, or an iPad with iOS 12 or later, or iPadOS, from the Home screen, swipe up from the bottom of the screen and pause slightly in the middle of the screen. On an iPhone 8 or earlier, double-click the Home button to show your most recently used apps
- Swipe right or left to find the app that you want to close.
- Swipe up on the app's preview to close the app. "
How to force an app to close on your iPhone, iPad, or iPod touch
Please don't hesitate to let us know if the steps resolved your issue or if you need additional assistance.
Thank you for using Apple Support Communities. Have a good one.