I have the exact same problem as this thread:
http://gbatemp.net/threads/ez-flash-iv-wont-boot-games-on-my-gba-sp.363189/
I ordered a Ezflash IV from realhotstuff.hk (EZ402 2006.03)
I didn't now where to get the 2013 version.
I ordered a Trancend 2GB miniSD in a store close by.
Flashed the...