I accidentally deleted Cydia, how do I get it back?
Cydia can be accidentally deleted from a jailbroken iOS device, which makes it more difficult to browse and install packages. Luckily in the event you find yourself without Cydia, there are several ways to reinstall the app. Choose one method from the following list to get Cydia back.
1. Probably the method that will apply in most cases. Try reinstalling Cydia using redsn0w. You must download the latest version of redsn0w onto your computer from redsn0w.com and connect the iPhone using a USB cable. Run redsn0w once it's installed, and check the Install Cydia box. Click the Jailbreak button to install Cydia on your iOS device.
2. Do you have OpenSSH and APT installed on your iOS device? Cydia can be reinstalled with a command entered directly into iOS. SSH into your device from a computer on the same Wi-Fi network. At the command line, enter the command:type apt-get install cydia [enter]
su mobile -c uicache [enter]
Cydia should now be reinstalled on your home screen.
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3. Do you have iFile installed on your iOS device? Open mobile Safari and navigate to the following address:
Use the install option from iFile to load Cydia onto your iOS device. Any one of these three different methods should get Cydia back onto your jailbroken iPhone, iPad or iPod touch.