Evad3rs gives us a big surprise, even the Cydia founder Saurik also very surprised, because he did not do any preparation to update Cydia, not to mention those tweak developers. However, Saurik immediately start updating Cydia after the surprise, hoping to launch a new version compatible with iOS 7 as soon as possible. Currently new Cydia 1.1.9 for iOS 7 has been successful avaiable for updating.
If your device just jailbroken using Evas0n7, now tap on Cydia on the springboard, you will see an upgrade notification, including: Upgrade Essential, Complete Upgrade and Ignore (Temporary), click Complete Upgrade to upgrade to the full Cydia to compatible with iOS 7.
How to Upgrade Cydia 1.1.9
Simply launching the installer, going into the Changes tab and tapping the Refresh button in the top left hand corner of the screen. At this point an upgrade notification should appear asking you to update both Cydia and UIKit Tools (a collection of command line tools providing access to Springboard).
Install both Cydia and UIKit Tools and you will be rocking the new version of Cydia.
How to Download Cydia 1.1.9 Deb From Saurik’s Server
Step 1: If you are using Mobile Safari on your device, directly click this link(http://cache.saurik.com/debs/cydia_1.1.9_iphoneos-arm.deb) then you will see a Cydia deb download page shown below.
Step 2: Click Open in “iFile” in the upper right corner.
Step 3: You will see the iFile options. Select Installer
Step 4: iFile will automatically complete the installation and updating Cydia. Reboot your device.