Hacking the Ultimate M3 Perfect GBA guide FINAL

albertar · Feb 13, 2015

Hello, I can't seem to get my Save manager to work. I double click it, and then it literally shows up the image that you have up there. I want to write my .sav file from my gbaexploader to the m3 .dat file but there is nothing for me to click on after I click the game.

Takatoshi · Mar 5, 2015

May I know how I can implement the soft reset function in case my battery dies? I am able to see the menu by pressing L+R+A+B, but when i scroll down to main menu and press A, it just resumes the game im currently playing and does not return to the main menu. What did i do wrong? Does anyone have a fix for this problem? Please do help me ><

albertar · Mar 21, 2015

Takatoshi said:
May I know how I can implement the soft reset function in case my battery dies? I am able to see the menu by pressing L+R+A+B, but when i scroll down to main menu and press A, it just resumes the game im currently playing and does not return to the main menu. What did i do wrong? Does anyone have a fix for this problem? Please do help me ><

you just click save game

Takatoshi · Mar 27, 2015

albertar said:
you just click save game

the special functions menu does not work at all. it simply resumes the game no matter which function i try, save game, load game or main menu. I suspect it might be a problem with firmware, but theres way too many for me to try them all one by one to see which works

albertar · May 10, 2015

how can i put music on my m3 perfect?

albertar · Jan 6, 2017

Anybody know how to read books on the M3? What types of files does it read and do I need to do something with the files to make it work on the M3?

vorob · Jan 16, 2024

First of all, thank you for your guide. With your help, I downloaded the latest firmware, and the latest tool to work with sdcard.

But I still have an issue, I can’t save games. I tried donkey kong country and it just gives me an error that save failed. In Super Mario I can’t even start the game because I’m getting an error that save is corrupted.

I guess I need the battery to be replaced? The one that is in cartridge. Currently I don’t have it, removed it few years ago. I also assume that this is not the usual battery but a rechargeable one, because I measured the voltage on board pins and it’s giving over 3v. Now I need to understand what exactly I should place here.

I tried usual battery cr2016 but saves didn’t relive.

Shadow-Zero · 2026-09-11T20:38:24+0100

vorob said:
First of all, thank you for your guide. With your help, I downloaded the latest firmware, and the latest tool to work with sdcard.

But I still have an issue, I can’t save games. I tried donkey kong country and it just gives me an error that save failed. In Super Mario I can’t even start the game because I’m getting an error that save is corrupted.

I guess I need the battery to be replaced? The one that is in cartridge. Currently I don’t have it, removed it few years ago. I also assume that this is not the usual battery but a rechargeable one, because I measured the voltage on board pins and it’s giving over 3v. Now I need to understand what exactly I should place here.

I tried usual battery cr2016 but saves didn’t relive.

Did you ever get to fix it?

Hacking the Ultimate M3 Perfect GBA guide FINAL

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