Apple released watchOS 7.0 last month and a number of people have been having issues on the oldest Apple Watch model the updates supports, the Series 3 which was introduced in 2017, a year before the redesigned Series 4 launched and the Series 3 is also still sold by Apple, at £199 / $199.
The issues people have been having is that it would randomly reboot and unexpected times and with watchOS 7.03 that Apple has released today, it aims to fix that issue.
Apple says simply:
“watchOS 7.0.3 contains improvements and bug fixes, including an issue where Apple Watch Series 3 may unexpectedly restart for some users.”
This update is only for the Series 3 model and you can update by going to the Apple Watch app on iPhone, then go to General > Software Update – once your watch has 50% or more battery and is on the charger, it’ll update once prompted,