My galaxy s2 somehow got itself into recovery mode (I was driving and noticed it when I stopped; I wasn't trying to upgrade or anything). The screen says Android system recovery at the top and gives the options to reboot, apply an update from sd card, wipe the data, or wipe cache partition. I've tried to reboot and the screen just comes right back. Then at the bottom it says "Manual mode", "Applying Multi-CSC", and a bunch of red error messages saying "failed to mount, can't mount, can't open," etc.
I've been looking online and have tried holding both the power button and volume buttons at the same time, holding the power and home buttons at the same time, and taking the battery out and putting it back in. Nothing has changed the screen that appears when it turns back on.
I'd really appreciate any help! Thanks!