How To Add Cydia Sources to iPhone, iPod, iPad :

Step 1: Launch Cydia by tapping on Cydia icon from your Springboard.

Step 2: After launching Cydia you will see the welcome screen below then select “Manage” tab

Step 3: Then tap on “Sources”

Step 4: You will see the screen below then tap on “Edit”

Step 5: Then “Add”

Step 6: You have now to write the Cydia Source you want (this link will help you) then press “Add Source”

Step 7: After writing the source click on “Add Anyway”

Step 8: Now your device will start rebooting the source you added once finished you will see “Return To Cydia” buttun