Now that Unlock-iPhone.org RC5 Untethered Jailbreak is released, it is possible to jailbreak and unlock iPhone 4 4.2.1.this only works, if your iPhone 4 has 02.10 baseband (Settings >> General >> About >> Modem Firmware). With a little trick, we are going to update your iPhone 4 to iOS 4.2.1 while preserving the baseband at 02.10 so, that we can take advantage of Unlock-iPhone.org to unlock your iPhone 4. For all those who have a upgraded version of baseband, unfortunately there is no tool at the moment which can unlock your iPhone. but, stay tuned to Unlock-iPhone.org.
how to Jailbreak & Unlock iPhone 4 4.2.1 with Baseband 02.10 on iOS 4.2.1 Using Unlock-iPhone.org.
Step 1: Download the requires files from Unlock-iPhone.orgStep 2: Connect your iPhone 4 & Launch Unlock-iPhone.org ToolStep 3: Click On Save SHSHStep 4: Click on start TSS ServerStep 5: now, while the TSS server is running, Launch iTunesStep 6: now, Click on Restore in iTunes (Don’t Click on Update)Step 7: At some point in the restore process, iTunes will give you error 1013 – this is good sign.Step 8: now, head over here and follow these steps from (Step 1 to Step 7) – how to jailbreak iPhone iOS 4.2.1 using Unlock-iPhone.org RC 5_b2 – this Jailbreak process will not only Jailbreak your iOS device, it will kick it out of recovery mode.Step 9: For those who does not have Official SIM – You must hacktivate your iPhone 4 – to do that follow the below steps.
* Download Unlock-iPhone.org and Above – Links are posted below * Launch Unlock-iPhone.org * Click on browse to navigate to iOS 4.2.1 file, click Open * Click on next, * Click on Install Cydia * Click on next, put your iPhone in DFU mode (Follow the onscreen instruction) * That’s it – Cydia will be installed and your phone will be hacktivation. (Thanks for @yeremia_ang for giving this tip)
Step 10: Follow this guide to Unlock your iPhone – how to unlock iPhone 4 using Ultrasn0w
* Download from Unlock-iPhone.org o iPhone 3G o iPhone 3G S o iPhone 4 o iPod touch 2G o iPod touch 3G o iPod touch 4G * Download Unlock-iPhone.org For Windows or Mac
Price: RM 2.00
