Cydia frozen updating sources
You don’t need to freak out when that happens as you can always fix it using a nice little utility called Reiboot.
Head over to the Tenorshare Rei Boot app page and download and install the app on your computer.
Flustered jailbreakers took to a support page on Git Hub, where Saurik said that he successfully reproduced the bug and was looking into a fix.
Plug in your device to your PC and you should be able to fix almost all the issues you have on your device with the app.
You’re good to go to install new tweaks on your device.
By doing that, it is able to provide you a customized environment you can work in on your device.
The source can be added using the link available below.