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If you have hacked your 3DS in the past, or you purchased your 3DS second-hand, it is possible that your console already has custom firmware. You should check for CFW before proceeding.

Wähle die entsprechende Seite für deine Version aus der unten folgenden Tabelle. Beachte, dass die “Von” und “Bis”-Felder inklusive sind.

Die Version deines 3DS findest du rechts unten auf dem oberen Bildschirm in den Systemeinstellungen.

Before starting, you may want to check your SD card for errors using H2testw (Windows), F3 (Linux), or F3XSwift (Mac)!

While we believe that custom firmware is safe for online use, there have been online network bans in the past, primarily for cheating and suspicious eShop behavior.


The letter and number after the system version (for example, 11.15.0-47U) is not relevant in this version table.

Von Bis Action
11.15.0 (latest version) Seedminer
11.4.0 11.14.0 Update your 3DS to the latest version through System Settings
1.0.0 11.3.0 Installing boot9strap (Soundhax)

A number of methods that work on all versions are available, but require additional hardware. If possible, you should follow one of the software methods listed above instead.

  1. Installing boot9strap (kartdlphax) - requires a 3DS with custom firmware and a copy of Mario Kart 7
  2. ntrboot - requires compatible DS flashcart
  3. Installing boot9strap (Hardmod) - requires soldering