THOSE WHO DON'T WANT TO USE Link2SD, YOU MAY USE THIS GUIDE TO INCREASE YOUR INTERNAL STORAGE...
Tutorial:
1.Take out your sd card and put it in a card reader (NOT FROM PHONE CABLE) to your computer.
2.Open up Minitool,and find your SD card,right click on it and select Move/Resize.
3.Choose the Amount Of MB/GB you want to save for your apps,and press OK.
4.Right Click the partition you just made and select Create.
5.Press yes and add these changes:
Partition Label:ext2
Create as
rimary
File System:Ext2
Cluster Size:4kb
and click OK.
6.Click Apply changes at the top and when its finished take out the sd card and put it back in your Phone.
7.Open up ASTRO File Manager / root explorer and on your sd card go to /data/ and make a folder Called sdext2 and in it a folder called apps. eg: [ sd card/data/sdext2/apps ]
8.Restart Your Phone and go to ad recovery mode.
9. Flash this file : 40ad2sdx-a2Recovery.zip (as attachment)
10. Reboot your phone. after boot, go to setting, storage and you will see your internal storage is bigger as your created one before....