Quote:
Originally Posted by ⌐ AV8OR WANNABE
Not a tech guru so I might be wrong but I was told that jailbreaking is basically unlocking phones illegally. Your reply does make sense but if so, why did my friend's phone go dead when he downloaded the latest version via iTunes?
Some phones are OK to unlock and the phone company, such as Verizon might even help you if you request it. Some phones however they will not let you unlock (iPhone) so people do it on their own.
As far as reversing - if you'd read my previous post you'd realize that sometimes reversing works fine but sometimes it doesn't. My friends phone is still dead and AT&T refuses to help since he 'voided' his warranty by unlocking the phone.
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Jailbreaking allows you to add applications and access the phone like a disk drive with programs such as iPhone Browser. My phone is jailbroken, but it isn't unlocked. Still on the AT&T network. Very easy for me to take it back to the original state.
Unlocking allows you to use your phone with another carrier and more often than not cannot be undone. You said your friend had unlocked his phone. Now he has bricked his phone.
iPhone Question: “Unlocking” and “Jailbreaking” the same thing? | HighTechDad Blog
Gadgets and You: Iphone activation vs jailbreaking vs unlocking
Here is a link for him to try and get his phone back from the bricked state:
Step-By-Step Guide to ReVirginize or Restore iPhone - iPhone Hacks