Software updaes

[Paul Davies9]

My iPhone 4s isn't updating to the new updates im stuck on 7 an keeps saying I'm already up to date when I know the last update was 8.4 pls can anyone help with suggestions on how to fix this problem

 

[TechnologyTwitt]

Silly question, but are you SURE it's an iPhone 4s?

 

[Ledsteplin]

Could it be an iPhone. 4? Does it have Siri?