To do it, you will need:
A jailbroken iPhone or other iOS device
The iFile application installed on your jailbroken iPhone. If you don’t have it, just search for it on Cydia on your iPhone and install it.
OpenSSH must be installed from Cydia.
Select to iFile from Cydia Deb the stored file and tap "Install"
With Cydia (not recommend):
Share with iFile / FTP program to the folder /var/root/Media/ folder called "Cydia"
Create a folder created in "Cydia" called "AutoInstall"
Copy .deb files in the folder you created "AutoInstall"
iPhone reboot. Packages will be installed after the restart
Install Terminal app from Cydia
Move with iFile/SSH .deb file in the /tmp folder of the iPhone
Open Terminal app and type the following "dpkg -o file-name.deb"
With Terminal from your computer:
FTP program with iPhone connect user name "root" password "alpine"
store .deb file in the / tmp folder of the iPhone
Enter the FTP programs integrated terminal as follows: "dpkg - file-name.deb"
Note: Depending on the program, iDevice needs to be restarted once again!!