We have introduced you sky3ds+ introduction how to play 3ds roms with sky3ds plus in the last post. We all konw that the microSD card for sky3ds+ should be formatted to FAT32 in Windows. And the maximun storage for file is 4GB. So if the rom you want to play is over 4GB, you need to trim it and then place it to the microSD card.
3dsexplorer_v1.5.3_mod (ROM Tool 3.1_3DSGuy)
1. Download the 3dsexplorer_v1.5.3_mod (ROM Tool 3.1_3DSGuy) and exact it. Open the file”3DSExplorer.exe”
2. Click ‘File ->OPEN and then choose the .3ds file you need to trim.
3. Click CCI->Trim CCI , and then you will find the 3ds rom has become smaller.