Jyothula Venkata N
New member
i have iphone 3GS factory unlocked phone,firmware 4.2.1,working with a base-band of 05.15.04.its not jail broken.now my question is can i jailbreak my phone ? what are the advantages and disadvantages.i have a fear of, if i jailbreak it when i am upgrading it to newer firmware or when i connect to i tunes,is it may be locked again ??? one of the repair shop owner said that once factory unlocked it is forever unlocked.jailbreak it for full features.if you don't like it restore it.it will not locked He said ! is it right ? Need your valuable answers