Installing a UI layout meant for an older version of the Switch firmware (e.g., a version 16.0 layout on 18.0 software) can cause a "boot loop."
If you simply need to update your actual console's UI to the latest version (currently as of April 7, 2026), follow these steps on your device: Nintendo Switch System Update Information | Support nintendo switch ui download link
While the default Switch UI is pleasant to use, you might want to personalize it to suit your preferences. Here are a few ways to customize your Switch UI: Installing a UI layout meant for an older
allows PS Vita users to skin their handheld to look like a Switch. The VPK file for this is typically downloaded from Official Software Updates If you are looking to update your actual console software: Proceed at your own risk
Before we proceed, please note that modifying your Switch's UI may void your warranty or introduce stability issues. Proceed at your own risk.