Unlock IPhone 4 OS 4.01>> Yes / No

[iphonetoday]

hi all

if i'm buying iphone 4 today will i able to unlock/jailbrake it firmware 4.01


couple day ago i looking series on a back week 31 so dont know
os 4.1 or 4.02

thank you

 

[eldy]

Go to Settings > General > About and tell us your Modem Firmware version.

 

[iphonetoday]

dont buy yet ?

just guess that shipment may be 4.1 already if i'm buy today ..

what if 4.1 firmware

could i downgrade to 4.01 and unlock it

 

[sidewinder]

what if 4.1 firmware

could i downgrade to 4.01 and unlock it

No.....

S-

 

[iphonetoday]

so , look like all iphone in store now upgrade to 4.1 ,

what about firmware 4.02 ?

can it roll back to 4.01 then unlock ?

 

[IrishVixen]

so , look like all iphone in store now upgrade to 4.1 ,

what about firmware 4.02 ?

can it roll back to 4.01 then unlock ?

No. You won't be able to roll back the firmware on a brand new phone.

 

[maturola]

If the iPhone is 4.1 - you are SOL

If the Firmware is 4.0.2

A) Are you getting from Apple? (don't think you can get one with 4.0.2 anymore) if yes, them you are SOL
B) if no, them are you getting from ebay/craiglist/friend/newsapaer, etc .... Them if the previews owner saved the SHSHs on Cydia, you will be able to restore to 4.0.1 jailbreak and unlock. However if the previews owner update to 4.1 or 4.1 beta at any point, the phone may have an updated basedband which is not unlockable at the moment (if ever), in that case you will be able to jailbreake but not unlock.

if Firmware is 4.0.1

* If that is the case.....you may be getting it from a 3er party so same point B) above applies

As you can see, this is not a simple question that can be answer without more details and information, it is very dependent on each device.