Nba game time pro has a micro SD card on the main board located in the back of the game. Adding a file to the micro SD card will update the game software.
The software for the SD card can be downloaded by clicking here.
To access the main board first power the game off, remove the 6 screws that hold the electronic access panel cover in place, remove the cover and set aside.
In the center of the access panel you will find the main board, on the right side of the main board is the micro SD card. To remove the SD card press the edge towards the center of the board, the card will slide in and unlock from the slot, you can then remove the card by sliding it away from the board.
Once removed insert it into your computer and navigate to the SD card copy all downloaded content to the root of the SD card. Once the files have been copied over eject the card from the computer and re insert it into the game main board. When reinserting the card push all of the way in towards the center of the board, you will hear a faint click as the card locks into the socket.
Once the card has been locked into place reinstall the electronics access panel and power the unit on. When the game is powered on it will display a message asking you to update the game, pressing the up arrow (circled below in yellow) will confirm the update.
When the update has completed the game displays will go dark and the game will return to standby.