jailbreak ios 4.2.1 baseband 3.10.01?????

[pandemic00]

i brought an iphone4 from Malaysia in an unofficial store and the seller said that the iphone4 has already been unlock but not jailbreak.

my iphone 4- ios 4.2.1 with baseband 3.10.01

with method can i used t0 j.break it???jailbreakme.com is good?plz any other method which i can used while preserving baseband???

is there any risk that the unlock disappear when jailbreaking iphone4??

[lillstar12]

If they say it is already unlocked and not jailbroken it must be factory unlocked, if thats the case then jailbreak away and there will be no problem with the unlock since that is hardware related. I would use greenpois0n to jailbreak as its the easiest way. If you need any help let me know.

[pandemic00]

1.is it essential to preserve it if i dont need to unlock?what r the importance of keeping my actual baseband??

2.can i use TinyUmbrella To Preserve iPhone 4 Baseband And then Jailbreak iOS 4.2.1 Using Greenpois0n

3.if yes post a video or tutorial with screen shot plz

[lillstar12]

1. If you dont need to unlock then i wouldnt worry about upgrading your baseband so no importance at all.

2. You can use TinyUmbrella but this will only keep the shh blobs so you can roll back to a previous firmware but this will not roll back the baseband as there is no way of doing this presently.

3.If you search on youtube there are lots of video's showing how to use greenpois0n and really is easy but if you need help let me know