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R4i B9S card Flash Kit for Free 3DS DS Games

  • R4 B9S 3DS Flash Kit
  • R4i B9S front-back details
  • R4i B9S shipment content (memory card optional)
0.02 KGS
Calculated at checkout
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Product Description

R4i B9S card is both a flash kit and ds flashcart, you can use this chip to install B9Strap/Luma3DS custom firmware on your Nintendo NEW or old 3ds/2ds consoles, once installation completes, you can play any CIA format 3DS Games without any flashcart. Download any xxx.3ds roms and transform to xxx.cia roms on your console to play freely. With this R4i B9S, you can also play DS games with several easy flash operations. Moreover, your console becomes more compatible with other r4 cards.


Do NOT update your console into latest Ver 11.8.0-41 system, orthewise, it will block Luma3ds and get your console broken if you have done B9S cfw before.

To protect your console from Nintendo ban of Custom Firmware (CFW), please do disable the following two options.

  1. Go to System Settings, select “Internet Settings”, then “SpotPass”, then “Sending of System Information”
  2. Disable the “Sending of System Information” option and exit System Settings
  3. Go to your Friend List (the orange Face Icon in the top row of your Home Menu) - If you receive an error and are kicked out of the menu, the Friend List setting is either already disabled or your console cannot connect to Nintendo’s servers (due to a ban or connection issues)
  4. Go to the Friend List settings, then “Friend Notification Settings”, disable “Show friends what you’re playing” and exit Friend list


  • Support all 3DS games / DS games
  • Game Region Free
  • Support SD up to 128GB
  • Work on NEW 3DS XL LL, NEW 3DS, NEW 2DS XL, NEW 2DS, 3DS XL LL, 3DS & 2DS without system version limit

How to Use

In all, it will take you 20 minutes to set it up if you are newbie, following official installation guide step by step, or follow video installation guide on NEW 3DS, O3DS.

What is needed to be noted ? Do follow official installation steps and make sure your console is in full power before flashing. Recommend updating your console system into current 11.6.0-39 before installing b9s.

If you do not want to use this custom firmware anymore, you can remove it and recover to official Nintendo stock system, follow video.

If you want to play DS games with this R4I B9S, follow video to flash r4i b9s into a DS cartridge. Of course, you can also rewrite it back to 3DS flash kit for other console as your machine does not need any flashcart to play 3ds games now (referring to video).

Namely, r4i-b9s only works as a flash tool if you do not need its ds gaming adapter.

Where to put the magnet to activate sleep mode ?

O3DS / O3DS XL LL / NEW 3DS / NEW 3DS XL - near B button, 2DS / NEW 2DS XL - switch into sleep mode

Package Content

1x r4i-b9s official packing with additional Sandisk microSD adapter
1x Optional micro memory card

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