– Unzip the zip file contaning Ultrasn0w. How to unlock iPhone 3GS / iPhone 4 Without WiFiĪfter jailbreaking your phone, of course, you need WiFi to access Cydia ans install Ultrasn0w but in case there’s no WiFi network around, there’s a simple way to unlock that phone. To know if it’s safe to upgrade your device to iPad baseband through Redsn0w, check this article. Your radio will be bricked with no hope of recovery except you do some hardware repair on the phone. Also, if you’re using iPhone 3GS, install iPad baseband through Redsn0w may work for you but you have to be cautious about this if your device was manufactured after the 34th week of 2011. If your baseband isn’t listed above, this may not work for you. Apart from these two devices I tested it on, it’s supposed to work on these as well according to the developer: Please know that this is only tested on iPhone 3GS (iOS 6.1.2, baseband 06.15.00, old bootrom) and iPhone 4 (iOS 6.0.1, baseband 01.59.00). There’s a detailed guide on using Snowbreeze which you should read. The only way is to create a custom firmware through Sn0wbreeze which jailbreaks and hacktivates the phone though it’s still going to be locked and won’t be useable on any network till you unlock. Of course, if you rely on hacktivation to use your iPhone 3GS or iPhone 4, Evasi0n won’t be of help since it doesn’t jailbreak locked and unactivated phones. After several attempts to get to use my iPhone again after updating to iOS 6.1.2, I was finally able to activate the phone.
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