I have an LG Optimus F3 (rooted). I was using Titanium Backup to "integrate updates into ROM", when I accidentally told it to integrate the "Google Play Services" update into the ROM. This caused Google Play Services to immediately crash. I waited like 20 minutes, but Titanium Backup never progressed. I rebooted.
Google Play Services is crashing whenever I try to do anything. I managed to get into Titanium Backup to uninstall it. This stopped it from crashing. After a reboot, I opened Google+ and it asked me to update Google Play Services. I let the Play Store download and re-install Google Play Services.
This let Google+ open, and it wasn't crashing anymore, but now Google+ is unable to save its settings. I tried to convert the newly re-installed Google Play Services to a system app, but that didn't fix anything.
I have not yet tried to re-install Google+ because it's a system app, and I don't wanna break anything even more.
How can I get Google+'s settings to stick? How can I fix Google Play Services?
P.S. Is there an LG Optimus F3 forum? I couldn't find it.