Your phone is probably an iPhone that is dis-acativated, in other word's you have no internet. You can still "jailbreak" it by removing you SIM card and "jailbreak" it on another iPhone that DOES and internet and just re-insert the SIM.
No, you can even unlock the iPhone when Jailbroken.
There is only reason for why an iPhone needs to be jailbreak. The reason for a iPhone to be jailbreak would be for using the phone for a different service.
Yes you can. If it does not have a sim, you will be able to get one.
Us Jailbreak me on the iPhone 4 if you have the firmware 4.0
No but you can jailbreak an iphone or ipod touch but they each have different sites to jailbreak your ipod/iphone
Jailbreak your iPhone
You need to use the program RedSnOw to jailbreak an iPhone 5.
You need to use the program RedSnOw to jailbreak an iPhone 5.
There isn't a jailbreak for the iphone 4 yet, but there will be in the near future.
Use Blackra1n to jailbreak your iphone, then use bootneuter in cydia to unlock iphone to any service. PS: downgrade firmware to 3.1.2. before running Blackra1n.
Yes, it is for At&t, this is the only way to use a different service with the iphone, use Blackra1n to jailbreak your iphone, then use bootneuter in cydia to unlock iphone to any service. PS: downgrade firmware to 3.1.2. before running Blackra1n.
It is okay to jailbreak your iPhone 3g. The only downside to jailbreaking your iPhone is that you will loose your Apple warranty.