The document summarizes the advancement of iPhone models from the original iPhone through iPhone X. Key developments include larger high-resolution 'Retina' displays, thinner designs, improved cameras, more memory and storage, additional colors, and new major apps. The iPhone X featured an all-screen design with Face ID authentication and the most powerful chip, advancing the iPhone form factor beyond prior physical button-based models.

2. iPhone models
iPhone:
1st . 3G . 3GS
4 . 4S
5 . 5 C . 5S . SE
6/6 plus . 6S / 6Splus
7/7 plus . 8/8 plus
X

5. iPhone Advancement :

6. The iPhone's basic form factor hasn't evolved much in recent years. Between the 6s
and the 8, the basic models have stayed steady on about 138 mm tall and .

7. “Retina HD” display, which uses ion-
strengthed glass, an improved polarized,
IPS liquid crystal and an ultrathin
backlight. As expected, the iPhone 6 has
a 1335 x 750-pixel display that measures
4.7-inches across and has a 326ppi.
That’s 38 percent more pixels than the
iPhone 5s offers. Additionally, it’s 6.8mm
thin, much thinner than the 7.6mm
thickness of the iPhone 5s.
Advancement In Features

8. Advancement In Memory
And Storage:

9. Color Advancement in iPhone’s
models:

11. Advancement in
Major apps

12. iPhone 8Plus And iPhone X:

13. Performance iPhone to iPhone X

14. iPhone X features a new all-screen design. Face ID,
which makes your face your password. And the most
powerful and smartest chip ever in a smartphone.

15. Done by: Sehrish Waris