Use Ultrasn0w for iOS 6.1.3 Unlocking on iPhone 4, 3GS, 3G for Free

Time is passing by and we start to forget about free iPhone unlocking but there is hope to get it here using Ultrasn0w for iOS 6.1.3 unlock iPhone 4 and 3GS.

Before starting to write this article I made an research and got info that Ultrasn0w 1.2.8 could unlock iOS 6.1.3 but with preserved baseband running on 3GS, 3G and 4 models.

If you are that lucky guy, here I’ll show you how to unlock iPhone for free using the most popular jailbreak tweak.

Ultrasn0w tool was developed by iPhone Dev team with the contributing help of @sherif_hashim and @Oranav. This software unlock is the most popular among iPhone users from around the world.

Also you can try to unlock iPhone 3GS 05.16.08 with Ultrasn0w installing iPad baseband but this method is not for all iPhones.

ultrasn0w ios 6.1.3 unlock iphoneSupported Baseband for Ultrasn0w 1.2.8

iPhone 4

  • 01.59.00

iPhone 3GS

  • 04.26.08
  • 05.11.07
  • 05.13.01
  • 05.12.01
  • 06.15.00

Go to Settings – General – About – Modem Firmware and compare digits with shown above. Don’t worry if you don’t see your baseband in a list. Because there is a cheap IMEI unlocking method. You can use it to free iPhone from AT&T or find solution for other US and international carriers and forever forget about worries regarding losing unlock during baseband and iOS update.

I know that it is not for free but you will get it permanently with official confirmation from service provider and Apple.

If everything is fine be ready to the next step which is very important for iOS 6.1.3 unlocking with ultrasn0w as well. Only jailbreak can help you to perform this.

You may know that there isn’t untethered jailbreak for iOS 6.1.3 but there is a tethered with two working tools:

  1. Jailbreak iOS 6.1.3 with Redsn0w [0.9.15b3]
  2. iOS 6.1.3 Jailbreaking with Sn0wbreeze [2.9.14]

After you made it we could start.

How To Unlock iOS 6.1.3 iPhone With Ultrasn0w 1.2.8

Step 1. Take the Sim card out of iPhone and Open Cydia.

Step 2. Go to Search and find Ultrasn0w 1.2.8.

Step 3. Tap Install and wait till Cydia installs it to unlock on your iPhone 3G, 3GS or 4.

Step 4. Now just click Restart Springboard.

Step 5. After restarting insert non-supported SIM and your phone will be connected to the network and you will see a signal.

Enjoy Ultrasn0w and just unlocked iOS 6.1.3 iPhone as well as your preferred Sim card.

You can always use comment section to ask questions and look for answers and error fixes however the process is easy and you can just turn on/off Airplane mode or reset network settings if you see No Service.