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restoring as new is the best way does as it says. if you just update the firmware you might leave a small nit of the previous jailbreaks. in other words yes it's true! stickes above and many threads here will tell you the same thing.
 
restoring as new is the best way does as it says. if you just update the firmware you might leave a small nit of the previous jailbreaks. in other words yes it's true! stickes above and many threads here will tell you the same thing.

So then I can restore it from backup after restoring from new and everything will be ok?
 
bump for this guy. I want to clear my JB completely and go back to stock. I really don't want to set up as new because I have information on my phone I need to keep.
 
Follow the guide on the sticky thread "Sticky: Step-by-Step Guide to Restore iPhone. ".

Worked for me. Make a backup before proceeding and you'll be fine.
Things that will be saved include:
- text messages
- cal events
- notes
- contacts
- photos
- app settings (don't know if this is the case for all apps)

worked fine for me!
 
When they jailbroke my iphone they told me that I can not update my iphone using the itunes.



You can switch encoding parameters of end files such as example frequencyp
free converter wav to mp3

You probably heard wrong. You can always update via iTunes, but there are warnings everywhere for the right way to do this when you want to upgrade your iOS and be able to re-jailbreak. Especially if unlocking is important to you.

You have much to learn, grasshopper...
 
When they jailbroke my iphone they told me that I can not update my iphone using the itunes.

You can update, but it will erase the jailbreak. The new firmware you update to might also not have an untethered jailbreak out for it yet.

Unless you mean that the person who did this for you unlocked your iPhone on 6.15.00 (the infamous iPad baseband), on which you won't be able to successfully update or restore using iTunes unless your iPhone is in pwned DFU state and you restore using custom firmware.
 
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