Do you have a screenshot App or similar installed, which could indicate some kind of activity this way?
Go to Settings and search for “draw” to get “Draw over other apps” as a result, tap that, and again, and you should get a list of Apps with this permission … deactivate or uninstall them one by one to check whether one of those is responsible.
I tested if the problem still persists in safe mode according to this instruction https://support.fairphone.com/hc/en-us/articles/217869383
Unfortunately all the problems described above still continue in safe mode, so it seems that they are not caused by an app. What else can I try to troubleshoot? Or is the only option a factory reset?
Thank you in advance for your help!
I found a workaround for my problems now, the problems described above were caused by SIM2. During the last days I suddenly also had connection issues (the same ones as described here Since update: SIM-cards connection problem). I took out SIM2, and suddenly everything was fine, no problems anymore!
How can I solve my SIM issues? I use my second SIM card when I’m traveling for data (it’s a UK SIM). Any idea @AnotherElk ?
I don’t use Dual-SIM, so I have no experience with that. Some generic thoughts …
Try to put the second SIM into the phone again, perhaps this reseating already does the trick (seems to work for all kinds of cards now and then with a little luck)?
Try to swap the slots for the SIM cards.
If the fault lies with some malfunction of the OS, a factory reset might not fix this. A factory reset on the Fairphone 2 only deletes all Apps and user data, leaving the OS as is (it doesn’t get re-installed or anything).