Updated your iPhone 3GS to iOS 5.1 with baseband 5.16.05 and need to unlock it? Read on as this may be the solution you need.
UPDATE: If you have an AT&T iPhone 3GS, unlock it permanently using this. How to unlock baseband 5.16.08 here.
First of all, please be aware that untethered jailbreak for iOS 5.1 is not yet available and baseband 5.16.05 can't be unlocked. Baseband or modem firmware version 5.16.05 stayed the same since iOS 5.0...
Baseband, Corona, iOS 5.0.1, iOS 5.1, iPhone 3GS, IPSW, iREB, iTunes, Jailbreak, Redsn0w, SHSH, Sn0wbreeze, TinyUmbrella, Ultrasn0w, Unlock
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You're reading this because you accidentally updated your 3GS to 5.0.1 or it's already on iOS 5.0.1 when you got it. Since the baseband has been updated to 5.16.05, the only possible method to unlock it is to update to iPad baseband 6.15.00.
Read these important notes first:
1. This tutorial may no longer be valid once Apple releases iOS 5.1. However, some steps may be used to jailbreak and unlock iOS 5.1, subject to availability of...
Just in case you missed this news, iOS 5.0.1 untethered jailbreak was released last month which can jailbreak all A4 based and older devices. Pod2g, who developed 5.0.1 untethered jailbreak, is still working to bring an untethered jailbreak to newer A5 based devices such as the iPhone 4S and iPad 2.
Corona 1.0-5 is now available on Cydia and Redsn0w 0.9.10b4 can now be downloaded from the Dev Team's website to fix iBooks and apps crashing...
Apps, Baseband, Corona, Cydia, iOS 5.0.1, iPad, iPhone 3GS, iPhone 4, iPod Touch, IPSW, iREB, iTunes, Jailbreak, Redsn0w, Restore, Sn0wbreeze
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Stuck on iOS 5 with baseband 5.16.05? Read on as this may be the solution for you.
Tired of jailbreaking and hacking? Make your AT&T iPhone officially unlocked here.
UPDATE #1: I made a new and shorter tutorial that does everything below.
UPDATE #2: If you have the new iPhone 3GS 8GB, read this first.
UPDATE #3: iOS 5.1 on baseband 5.16.05. Latest tutorial here.
UPDATE #4: Unlock any baseband with SAM preference method. No...
Baseband, Cydia, iOS 4.1, iOS 5, iPhone 3GS, IPSW, iREB, iTunes, Jailbreak, Redsn0w, Restore, SHSH, Sn0wbreeze, TinyUmbrella, Ultrasn0w, Unlock
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Are you ready for iOS 5? For unlockers and jailbreakers, custom firmware is your best option.
These custom firmware were made using sn0wbreeze 2.8b8 and will not update your baseband. This is ideal if you need to unlock your iPhone. Even if you don't intend to unlock it now, preserving your baseband will increase your phone's resale value. You never know, right?
Since the jailbreak for iOS 5 is still tethered, you will need to use...
Baseband, iPhone 3GS, iPhone 4, IPSW, iREB, iTunes, Jailbreak, Redsn0w, Restore, Sn0wbreeze, Unlock
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Did you accidentally try to update your iPhone 3GS with baseband 6.15.00 to iOS 4.3.5 and then now you're stuck on recovery? You know there's no untethered jailbreak unavailable for iOS 4.3.5 and Apple doesn't allow you to downgrade to earlier iOS versions unless you have your SHSH blobs saved.
Thankfully, there's still a resolution for this issue. Oddly, Apple is silently signing iOS 4.1 for 3GS which means you can downgrade to this...
Baseband, iOS 4.1, iOS 4.3.4, iOS 4.3.5, iPhone 3GS, IPSW, iREB, iTunes, Jailbreak, Redsn0w, Restore, TinyUmbrella, Unlock
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For iPhone 3GS users who have upgraded to baseband 6.15.00 but are stuck in a recovery loop during restore, you will need a custom firmware to fix this issue.
Download custom firmware 4.2.1 for iPhone 3GS [ 396.46MB download link]
Use Redsn0w 0.9.6b to pawn DFU mode only [Windows or Mac] - this allows your iPhone to receive custom firmware
On iTunes, do a shift restore and point to the custom IPSW file you have just downloaded
If...
