If you have an iPhone 3G, you should be able to downgrade to 3.1.2 via download or find the firmware 3.1.2. Open iTunes and hold down "Shift" key and click Restore (if your Mac than on a "switch" is then Reset) and select the old firmware. If you have an iPhone 3G then its a bit 'more complicated and that only work if you had backed up SHSH via Cydia. And 'necessary to modify your hosts file is located here - C: \ Windows \ system32 \ drivers \ etc \ hosts (Windows) or / etc / hosts (Mac OS X) andadd gs.apple.com 74.208.10.249 down. Well, if iTunes thinks that talking with Apple, he speaks instead of Cydia. ITunes allows you to signatures of Cydia is already "on file" function are stored ... Full-mail to www.iphone enthusiast.com
Tags: iphone, 3G, 3GS, Downgrade, Firmware, 3.1.3, to, 3.1.2, Apple, Jailbreak, Bypass, Hosts, Edit, signature, server, Saurik, Cydia, How, Blackra1n, Blackrain
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