FAQ at here

Software download

PDF manual included. Adobe Acrobat Reader can be downloaded here
Files compressed by RAR, Winrar can be downloaded here
Please read manual before driver installation

EFA I download

EFA Client V2.83 DS
Updated compatibility of DS ROM from 0001 to 0434 and the most games(98%) can be run on a ds/ dsl, save on the EFA cart.

EFA Client V2.82 DS
Add the function of PASSME 2 compatible enabled
(Please learn the correspond manual of PASSME 2 for different brand of PASSME 2)

EFA Client V2.81 DS
Fixed save error problem

EFA Client V2.8 DS
1)Solved the problem that the software crashing when change the save size without loader.
2)Supported backup the saver to your PC without loader.
3)Supported rewrite the saver to the card without loader.

EFA Client V2.7 DS
1)compatible more NDS ROMs
2)fix the save's problem from card to PC

EFA Client V2.62
1)sloved the problem of some freezing problems.
2)add the size of 2048kb for your saver.

EFA II download

EFA II Loader V1.004
Uncompress and copy to the U disk of EFA II
Power on GBA/SP will auto upgrade.

EFA II Client V1.01
Fixed some minor bugs