NO you MUST have a Laptop Or a Computer
You lose the warranty you get from apple, and it can permanently break your phone.
No, iPhone imei can't change, it's unique. T
To Jail Break An Ipod Or Iphone And Ect.
Jail break UR iPhone/iPod
ask some one who can jail break it
The easiest way is to go to the website Jail break me (located in the related links below) on your iPhone itself and it does the work for you.
Wish you hadn't jail-broken your iPhone
To fix an iPhone 4 with no sound, simply reset the phone, reboot, or jail break it if all fails, because the problem is software-based.
Yes it can. You either have to purchase an unlocked iPhone or jailbreak and unlock it yourself after you purchase it. This process does void any manufacturer warranty. First Jail Break it and then break baseband. there are two separate softwares which does that.
i Wouldn't say its bad but if you jailbreak you can get illegal applications and stuff but if you don't you can jailbreak to make tons of modifications to your iphone, i think jailbreak is a good thing.
You can break any electronic out there, so yes, you can break an iPhone.
Jail-breaking an iPhone is illegal, but jail-breaking an iPod Touch is not.