Why doesn't Cydia work on my iPhone anymore?

My friend jail broke my phone and cydia and all the downloaded patches/apps were working fine until I had to turn my phone off. I turned it back on and now nothing I downloaded from cydia works anymore. Should I re install it or what?

Your friend did what is probably called a "tethered jailbreak", which goes away after you turn the phone off and on again.

Usually for any given new version of iOS, a "tethered jailbreak" is made available first, and then later on an "untethered jailbreak" becomes available, which is permanent.

In your case, you have two choices:

- Have your friend re-jailbreak your phone and don't turn it off again,

- Or use iTunes to restore your phone which will fully remove all signs of jailbreaking.

Longer term, you can consider installing an untethered jailbreak, if and when that is available for your specific phone.

  • Why doesn't my netgear wireless router wnr1000 work anymore? I used it for my xbox live and one day it just stopped working? It won;t connect to anything my iphone laptop, what happened? I heard it was because it was Comcast what's the issue with it?
  • Why doesn't my iPhones Wi-Fi work anymore? I have recently tried to connect to 3 different Wi-Fi connections and it always says unable to connect, I tried (rebooting, forgetting network, I have the newest firmware) I just can't find what's wrong please help I don't have any warranty or anything
  • Why doesn't my iphone 3 work anymore after ios update? It recently showed on my iphone to update.So, I did and now my phone just flashes the apple sign every 5 seconds, then blank screen for 5 seconds and so on. I tried holding the reset for 10 seconds and no luck. I now have a feeling this update is for only the new iPhones. If that's the case, I really wish it didn't show up on my iphone 3. I guess that's apples way to buy new products from them? I really hope someone can help.
  • Why doesn't cydia work on my iphone 4? I jail broke my iphone or at least i think i did. When ever I open up cydia it says Preparing Filesystem (Cydia will exit when complete) and all it does is reboot my phone and nothing happens. What's wrong with it I need answers fast!