# Pixel Watch 3 and 4 update breaks SpO2 and skin temperature

Source: https://idevice.com/pixel-watch-3-4-update-breaks-spo2-skin-temp
Published: 2026-05-13

## What happened

A Google firmware update silently removed SpO2 and skin temperature permissions on Pixel Watch 3 and 4, leaving passive health tracking broken for days without users knowing any data was missing.

## Sources

- [Pixel Watch 3 and 4 update breaks SpO2 and skin temp data](https://gadgetsandwearables.com/2026/05/13/pixel-watch-3-4-fitbit-update-bug/) (Gadgets & Wearables, 2026-05-13)