How to install Custom Themes using NX Theme Installer on a 1UPTechy modded Nintendo Switch
📄 Description
Nintendo Switch Custom Themes Guide (NX Theme Installer + Themezer)
In this video, I’ll show you how to install custom themes on your modded Nintendo Switch using NX Theme Installer and themes from Themezer.net.
Once this is set up, you’ll be able to completely change the look of your home screen — layouts, backgrounds, icons, colours — and make your Switch feel truly personal.
We’ll Cover:
Launching NX Theme Installer
Browsing themes on Themezer.net
Using theme key phrases correctly (case sensitive)
Downloading theme packs directly to your Switch
Installing full or mixed theme packs
Rebooting to apply changes
Fixing common theme-related errors
Chapters
00:00 Intro + disclaimer
00:50 Launch NX Theme Installer
01:06 Browse Themezer (phone or PC)
01:46 Download theme using key phrase
02:16 Install selected theme pack
02:40 Reboot and apply theme
03:12 Switching to Dark Mode
03:17 Wrap-up
⚠️ Disclaimer:
This video is for educational purposes only. Modding carries risk including warranty void, data loss, or console bans. Only proceed if you understand what you’re doing and accept responsibility for your own device. I do not promote piracy — this content is for homebrew, customisation, and legitimate use.
🔗 Useful Links
Themezer (Community Themes):
https://themezer.net/
1UPTechy File Pack (includes NX Theme Installer):
https://drive.google.com/file/d/1g6sX...
HATS / Latest Packs & Updates (Huge respect to Sthetix):
https://sthetix.info/hats/
⚠️ Important Notes
Key phrases must be entered in capital letters and exactly as shown.
After installing a theme, you must reboot for changes to apply.
Updating Atmosphère or bootloader files can sometimes cause theme errors.
If issues appear, you may need to reset and reinstall your setup.
Next video: How to install backup/owned games on to your switch.
If this helped, give the video a like and subscribe.
Let me know in the comments what theme you chose 👀
1UPTechy 🎮