NEED MINOR BUG FIX

I am playing this more than 4 months and i like this game. But when u give long maintenance it is very hard to download new content. It took me whole day even more than a day to download contents. I did both wifi and network but no use. Please fix this ASAP. HOW THIS KIND OF GOOD GAME HAS THIS KIND OF BUGS!!

Farhan Labeeb about DRAGON BALL Z DOKKAN BATTLE, v3.3.1