How can i put a save data on game boy sp?

Once the data is corrupt, lost, or your battery dies in GBA games your data is gone and there is no way of recovering it other than replay it all the way to where you are again.

Seems like your game port is damaged.

That's normal. The gba will play all three generations of game boy games. The start up screen that comes up is that of whichever cartridge you are putting in.

Greetings,

The game data for GBA SP games are held in the actually game cartridge itself. It is not stored within the GBA. If the data from the games has been deleted, he would have to restart each game from the beginning. There is no way to restore lost saved data once it is gone. Thank you for using FixYa! =) If I helped, please give me a rating.

try a new AC adapter

you cant. they quit making them after the original nintendo DS came out. If your really desperate, then you could chek ebay, but I wouldnt reccomend it

u can not get it back... if it's been overwritten your data is gone.

maybe there is something wrong with the gba

the internal part that you put the game on and it reads probably is broken or needs cleaning

The Back Light is an led under the frount of the display.
you might try to see if it geting power or bad.