Apps storage problem
I'm not here to complain about the "Other Storage" problem, but a similar one:
I manually flashed my Lumia 920 with NCS and, of course, the cloud backup helped me to restore the application and all the rest. Unfortunately, my Whatsapp and Viber conversations didn't backup themselves, so I lost all of them and don't know why (this was a big problem, but not the main problem i'm gonna talking about).
The problem here is that all my apps now fill A LOT of more space than before (I attach you some pics so you can see). I decided updated to Amber and GDR2 last night hoping that would solve the problem but it did not.