IPhone keeps going into safe mode?

I recently jail broke my iphone and everytime I swipe left or right when I'm in the lockscreen it restarts and goes into safe mode. It doesn't do it when I swipe up or down and it doesn't do it when I slide the unlock bar so i don't know what it could be that's causing the problem. Any suggestions?

My iphone isn't turning on? - 1

So, I got the new update for my iPhone 4 and it told me to plug into iTunes. I did and it told me to restore my phone. I didn't want to because I had a bunch of stuff on there and it wasn't backed up.So, the plug into iTunes screen was still there. I unplugged my phone, and then it just shut off and it won't turn on again. Help me! What do I do? P. S. It had a full charge.

How to make a silent alert everyday on iphone 5?

I would like to set myself a daily alert which makes no noise but will show a message on the screen to remind me to do something. I have iphone 5 with the latest update out. Any answers would be useful!

Can you delete a tumblr account through an iPhone?

I recently made a tumblr account on my iPhone. I was stupid and didn't realize that it would cause issues when logging in on a computer. Anyways, I would like to delete my account, but I can't log in through a computer, is there a way to delete my account on the iPhone?