ios - Find out which iPhone version -


this question has answer here:

my app uses camera , face recognition extensively , found out it's slow on iphone 4.

i know can find ios version , type of device is.

is there way find out programmatically iphone being used (4/4s/5)?

ios version: [[uidevice currentdevice] systemversion]

device model: how programmatically differentiate between iphone 4 , iphone 4s? or how detect ios device user using?


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