is my phone 4 or 4s

[iMore Question]

serial number [redacted] is it a iphone 4 or 4s

 

[Just_Me_D]

To identify your iPhone model, check out the information via the following link.

https://support.apple.com/en-us/HT201296

 

[TwitchyPuppy]

If you have Siri and can get iOS 9.3.5, it's a 4S.
No Siri and iOS 7.1.2, it's a 4.