How to Fix Cydia Crashing on iPhone 3GS After iOS 6.1 Jailbreak
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sh_l • February 20, 2013 at 12:41pm
After updating an iPhone 3GS to iOS 6.1 and using Redsn0w and evasi0n to jailbreak, Cydia often crashes or fails to appear. This usually happens due to conflicts between jailbreak tools or issues with the baseband preservation process. How can this be resolved to successfully run Cydia and ultrasn0w?
Answers
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iClarified • February 21, 2013 at 5:45am
To resolve Cydia crashing on an iPhone 3GS running iOS 6.1, it is best to perform a clean restore using a custom IPSW to preserve your baseband. First, use Redsn0w to create the custom firmware and enter Pwned DFU mode to restore via iTunes. After the restore, use Redsn0w to jailbreak the device. Note that for the iPhone 3GS on iOS 6.1, you must use the Just Boot feature in Redsn0w to perform a tethered boot initially. Once the device boots and Cydia is functional, search for and install the evasi0n 6.0-6.1.2 Untether package from within Cydia to make the jailbreak permanent. You can then install ultrasn0w to unlock your device if necessary.
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tamer975 • February 22, 2013 at 1:59pm
An alternative is to use sn0wbreeze to create a custom iOS 6.1 IPSW. This tool can preserve your baseband and pre-install Cydia into the firmware itself. Using this method often prevents the icon crashing issues that occur when mixing different jailbreak tools like Redsn0w and evasi0n.