Once you scan it you will be able to enter the locked room in the old man s house which is junichi masuda s secret base.
Ruby sapphire locked door.
Get free shipping on qualified sapphire door locks or buy online pick up in store today in the hardware department.
If a trainer is scanned go to mossdeep.
Talk to the old man standing in front of the door.
Check the house south from the pokemart.
The first time you visit sootopolis all the doors will be locked except for the pokemon center and poke mart.
You will have to scan the card.
The door that was locked will now be open.
If you haven t it s located in mossdeep city.
Head up stairs on the west side of sootopolis until you find steven and wallace.
If you scan a berry go to norman to receive it.
Enter the house to the lower right of the pokemon center.
To unlock the door in the old man s house in mossdeep city you need to scan junichi masuda s secret base qr code.