Duplicated Versions:
You Need to install AppSync Unified tweak from Cydia "cydia.angelxwind.net" to be able to install the duplicated versions corrctly
For updating duplicate apps you need to install DuplicatorStore Tool from this source "apt.othman.tech" Then click update button
Skype 2 Ver (6.5.152)
Skype 3 Ver (6.5.152)
Skype 4 Ver (6.5.152)