Which flash card did you use? Most flash cards now have a soft reset function
The soft reset function is to use a key combination in the game to return to the flash card. Select other games on the card recording main menu interface
For example:
R4 After opening the soft reset option (select the upper right corner of the game interface and press the R key to turn it green)
In the game, just press L+R+A+B+X+Y
Then soft reset