iPhone Help in Jailbreaking and Unlocking IPhone 4 with IOS 5.1.1

[ViPee]

Dear All ,

I already Jailbreaked my iPhone using Absinthe , however when i tried to Unlock

it by using Ultrasn0w fixer 5.1.1 . The iPhone gave me " Invalid Sim " .

Can anybody advise me what shall i do

PS : the iPhone was used in the states and now am trying to use it a different country

 

[dhlizard]

Dear All ,

I already Jailbreaked my iPhone using Absinthe , however when i tried to Unlock

it by using Ultrasn0w fixer 5.1.1 . The iPhone gave me " Invalid Sim " .

Can anybody advise me what shall i do

PS : the iPhone was used in the states and now am trying to use it a different country

If your iPhone4 has baseband 4.11.xx or 4.12.xx there is no software or hardware unlock for your phone. Your only option is an IMEI unlock from the carrier who sold the phone or take a chance with a grey market unlock dealer.

By the way, U?trasn0w fixer is an outdated software hack.