Viber .ipa For Ios 4.2.1 =link=

If you can find an older, compatible version of Viber, you might be able to install it using a tool like iFunBox.

Ensure the metadata of the .ipa file lists MinimumOSVersion as 4.0 , 4.1 , or 4.2.1 . You can check this by renaming the file extension to .zip , extracting it, and viewing the Info.plist file. Prerequisites for Installation Viber .ipa for ios 4.2.1

iOS 4.2.1 does not allow the installation of unsigned or modified applications through standard means. You must jailbreak the device using legacy tools like GreenPois0n or Redsn0w. If you can find an older, compatible version