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Changing WiFi Regions on Any Switch Console (Erista or Mariko) by Editing PRODINFO to Fix Missing 5Ghz Channels
Introduction
Japanese Switch consoles (XAW, XKJ, XTJ) are unable to use higher 5GHz channels due to their WiFi chipsets being set to the JPN WiFI region in PRODINFO which restricts their use. You can manually change this region code to unlock the channels and use them in the USA or EU if you have an imported Japanese console.
This guide is meant for use with emuMMC, but it can be followed on sysMMC as well by mounting eMMC RAW GPP in Hekate to NxNandManager instead of the SD card's emuMMC. Be careful and keep PRODINFO backups if messing with PRODINFO on sysMMC.
Getting Started
We'll be using NxNandManager, and HxD to edit the PRODINFO. If you haven't dumped your console's prod.keys
yet, you will also need to do that. Use your own console's prod.keys
, this is important!
Downloads:
- NxNandManager
- HxD
- [Lockpick_RCM]