OK Guys this is the only 100 percent way and after restore the activation screen wont ruin every thing
first: u need you backed up
com.viber.voip .tar.gz file
second : u creat an empty zip file by right click . create zip
third: you drag the data folder that was in .tar.gz file and drop it in the zip file
fourth: you rename the zip file the same az .tar.gz file
fifthpen the zip file go into "
com.viber.voip" folder inside the zip file and remove everything
exept "database" folder
sixth:go inside "database" folder and remove everything
exept "
viber_messeges" and "
viber_messeges-journal"
ok now and this is the most important part
seventh: go to www zamzar com convert zip-to-tar.gz and convert your zip file to *.tar.gz file
eighth:copy the converted .tar.gz file to the "go backup" or "titanium backup" folder (be careful the name of your file must match the original name)
ok now your good to go just go inside "go backup" or "titanium backup" on your phone and restore viber
THIS GUIDE WONT DISAPOINT YOU