Had a look in my Usage settings and I can see that Viber is using 241mb of data..
Out of that, 45.5mb is the app size, & the rest 196mb is the documents & data size.
What I usually do with facebook to clear the cache is delete the app & reinstall! But viber being that its not so easy (you have to enter your phone no) I deleted all the chats/pics/videos and it 'increased' from initial 188mb to now 196mb (note the word increased & deleted)..

What could be causing this?
I need to know for future as well so I don't keep on have to delete/reinstall (or is that the only way?)

Out of that, 45.5mb is the app size, & the rest 196mb is the documents & data size.
What I usually do with facebook to clear the cache is delete the app & reinstall! But viber being that its not so easy (you have to enter your phone no) I deleted all the chats/pics/videos and it 'increased' from initial 188mb to now 196mb (note the word increased & deleted)..


What could be causing this?
I need to know for future as well so I don't keep on have to delete/reinstall (or is that the only way?)