How to figure out what iPhone model you have
Not sure which iPhone you've got? Here's how to identify an Apple handset using the model number or information available in the Settings app, or based on the physical design.
Identify your iPhone model - Apple Support
Don't Miss Stories – page 42, Page 42
Identify Your iPhone
iPhone Voicemail not working? 17 Ways to fix it! - iGeeksBlog
Martyn Casserly, Author at Macworld
How to figure out what iPhone model you have
How do I determine which size iPhone I have? - LoopyCases®
Don't Miss Stories – page 41, Page 41
Identify My iPhone - Cell Phone DIY
How to check which model of iPhone you have
What iPhone Do I Have? How to Find Your Model Number
How to Tell What iPhone You Have