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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 05-20-2011, 09:43   #1 (permalink)
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help help ...can dis iphone b unlocked / jailbreak SAFELY unthethered


iphone 3gs
o/s 4.2.1
baseband 5.15.04
bootloader 6.4
model MC132


can dis iphone b unthetered unlock/jailbreak
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Old 05-20-2011, 11:16   #2 (permalink)
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Quote:
Originally Posted by syakki View Post
iphone 3gs
o/s 4.2.1
baseband 5.15.04
bootloader 6.4
model MC132


can dis iphone b unthetered unlock/jailbreak
yes........

just search the forum.u find all u need
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Old 05-20-2011, 11:17   #3 (permalink)
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bb 5.15 in not unlockable so the guide you have to follow is here

1. There is no way to downgrade your baseband if you are already on 6.15.00.

2. Starting from iOS 4.2.1 and if you have a baseband 6.15.00, you will NOT be able to restore using the original firmware. You can only do it via a custom firmware created with redsn0w or other tools. You will get error 3004 on iTunes.

3. iPhone 3GS with new bootroom will be boot thethered if upgraded to 4.2.1 – which means you have to put your iPhone into jailbroken state every time you reboot your phone.

Update: More warnings here.

Let’s Begin

1. Download iOS 4.2.1 for iPhone 3GS or 3G from the Apple website. [iPhone 3G iOS 4.2.1 download link | iPhone 3GS iOS 4.2.1 download link ] NOTE: If you wish to stay at iOS 4.1, you can download them here [iPhone 3G iOS 4.1 download link | iPhone 3GS iOS 4.1 download link]
2. Update and restore to iOS 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1.
NOTE: You can choose to stay on 4.1, just check the Install iPad Baseband option on redsn0w. Make sure you choose 4.1 IPSW when using redsn0w.
3. Download and start Redsn0w 0.9.6b6 and select the iOS 4.2.1 firmware to start with the jailbreak.

4. Select “Install Cydia” & “Install iPad baseband” options and then click “Next” to continue. Redsn0w will now download the hacked 06.15.00 baseband from iPad’s 3.2.2 firmware and will replace it the baseband in iOS 4.2.1.

5: Redsn0w will jailbreak your iPhone and once done, it will restart automatically and you will find it jailbroken state (you will find Cydia) on iOS 4.2.1 firmware, with the unlockable 06.15.00 baseband.

6: Last step – unlock using ultrasn0w 1.2

Ultrasn0w Guide

1: You must have a jailbroken iPhone 3G or 3GS

2: You must have a working and stable WiFi connection on your iPhone.

Carrier Unlock Steps:

Before you start, please remove the SIM card from your iPhone.

Step 1: Launch Cydia from the springboard.

Step 2: Tap on Manage.

Step 3: Search for ultrasn0w on Packages in Cydia. If you cannot find it, add new Sources by typing: ‘repo666.ultrasn0w.com‘ (…sn0w = the digit zero, not O)

Step 4: A new ultrasnow package will be installed. Once done, go to Packages and look for ultrasnow. Tap and install it. During installation, you will see a black screen with running command lines.

Step 5: Reboot your iPhone and insert your SIM card. Toggle the Airplane mode to ON and then OFF. Your iPhone will search and register to your mobile phone network. Please be patient, sometimes it may take up to 3 minutes. If it doesn’t register, reboot your iPhone again.
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