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Are Apple Watch Series 11 and iPhone SE 1st gen (iOS 26.6.2) compatible?

I would like to buy an Apple Watch series 11, but have an iPhone SE 1st gen (I think), with IOS 26.6.2. Are they compatible? Mixed results from previous investigations. TIA


[Re-Titled by Moderator]

Original Title: iPhone SE compatibility

1 reply

the os that is installed on the watch has limitations not the hardware itself


watchOS 26.0 was what apple watch was at first shipped with when released in 2025

current ones would be shipped with watchOS-27


iphone SE 1st gen

was shipped with

Original: iOS 9.3.1

Current: iOS 15.8.8, released


and can be upgraded no further than 15.8.8


iphone SE 2. gen

Original: iOS 13.4[3]

Current: iOS 27.0.1, released September 28, 2026[4]


supports current newest ios as do the iphone se 3. gen


WatchOS-27 required an iphone with minimum ios27

WatchOS-26 required an iphone with minimum ios26

WatchOS-11 requires an iphone with minimum ios18

WatchOS-10 requires an iphone with minimum ios17

WatchOS-9 requires an iphone with minimum ios16


so if the watch series 11 you get comes with a watchOS27 unless it's been collecting dust at some reseller for awhile


in which case you need to upgrade ios on the phone