Install Cydia with Terminal/SSH

Method 1
Step 1: First you will need to have MobileTerminal installed on your iPhone so if you don’t already have it installed go and install it in Cydia (make sure you search for it Exactly as spelled with no spaces) ~ MobileTerminal ~
Step 2: You will also need Safari Download Plugin so if you don’t have it installed search and install it in Cydia
Step 3: Now on your iPhone open Safari and download the Cydia .deb file from here: Download
Step 4: Now open Terminal and you will want to CD to the Downloads folder. Do that by entering the commands below exactly as shown:
cd Media
cd Downloads
dpkg -i cydia_1.0.3366-1_iphoneos-arm.deb
File name must be same depends on the cydia package you are installing.

Step 5: Now it will install and once it says complete. Now respring your device.
Step 6: Congratulations, You now have Cydia installed, Enjoy!

Method 2
Step 1: First you will need to have iFile installed on your iPhone so if you don’t already have it installed go and install it in Cydia
Step 2: You will also need Safari Download Plugin so if you don’t have it installed search and install it in Cydia
Step 3: Now on your iPhone open Safari and download the Cydia .deb file from here: Download
Step 4: Now open iFile and Navigate to var / mobile / Media / Downloads
Step 5: You should see the Cydia .deb file in this folder, Tap on it and select Installer
Step 6: Now it will start the installation. Once it’s done exit iFile and respring your iPhone
Step 7: Congratulations, You have successfully installed the Cydia. Enjoy!