Apple watch x bought in Usa
I bought an Apple Watch x titanium in the USA but I would like to
use it in Hungary with Telekom multi sim. I am not sure if it will work.
iPhone 13, iOS 18
Do you mean an Apple Watch Series 10 ?
The following URL will give you model numbers and the carriers that support them:
Apple Watch - Carriers - Apple
Cross check that your model will work in Hungry.