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Question Posted by : Lennon Chiew
To all iPhone expert, I am a newbie to iphone4 jailbreaking . Recently I just got a factory unlocked sim free iPhone 4 with iOS 4.2.1 Baseband 03.10.01. My question is can I jailbreak it with Redsnow 09.06.b5 latest jailbreak tool for io.s 4.2.1? But I read some article mentioned that , I will lose my carrier unlock if I jailbreak it with my current iOS 4.2.1 BB 03.10.01. Is it true ? Kindly give advice. Besides that , with my sim free iPhone, what do I need to concern before I jailbreak it ? Please give advice. DOA situation, can’t stay a day without jailbreak iPhone.
Update : Iphone 4 4.2.1 Jailbreak using Greenpoison 4.2.1 Jailbreak Tool version RC5 . Get an untethered jailbreak for the latest 4.2.1 firmware . If you have trouble installing Cydia , Just jailbreak again over greenpoison with the tethered Redsnow [links available below] , and just install Cydia . This will install Cydia successfully on your device .
You can jailbreak your phone with RedSnow 09.06.04 version . You need not upgrade your baseband version. However I would suggest not to use any of the tethered jailbreak . Since you are a first time jailbreaker , wait for the untethered jailbreak for your iphone 4 . The current RedSn0w and Pwnage Tools are for tethered jailbreak on iphone 4 4.2.1 . We are expecting an untethered jailbreak for iphone 4 before christmas this month. In the mean time save your SHSH Blobs using TinyUmbrella Tool .
Related Question :
Subject: Iphone 4
Iphone Version : 4
Question Posted by : KoHkureHt
From : Uk
Hi there, I tried to jailbreak my iphone 4 , 4.2.1. I downloaded newest version of itunes and everything else but it’s still not working for me. When i download greenpoison and extract a file the green icon doesn’t appear no exe nothing just some files . I tried a couple of sites but its the same . I’m using windows 7 and i tried download greenpoison with Mozilla . Please help me .
Question Edited by Sourish