What are the Apple phones that are suitable for backup machines?

Apple phones suitable as backup machines are:

1、iphone7:

IPhone 7 uses A 10 fusion processor, which is 40% faster than A9 processor and 120 times higher than the original chip. The other two cores are high performance cores, which can save the power consumption of 1/5. Different applications can host different processors. The graphics processor is 50% faster than A9, 3 times faster than A8 and 240 times faster than the image processor of the first generation iPhone.

2、iPhone 8

IPhone 8 uses a 6-core A 1 1 bionic processor, which is 25% stronger than A 10, and the three-core graphics GPU is improved by 30% and the power consumption is reduced by 50%. Compared with A 10 Fusion, the speed of four energy efficiency cores is increased by 70%, and the speed of two performance cores is increased by 25%.

3、iPhone 6

IPhone 6 uses Apple A8 processor, which improves performance by 25%. The processor is manufactured based on 20 nm technology, which improves performance and reduces power consumption. Built-in M8 coprocessor can record the height change of user's movement and detect the height of climbing stairs every day.

4、iPhone X

The touch ID function of iPhone X on the Home button was changed to Face ID. This function can support unlocking the user's face. In order to realize Face ID, iPhone X uses: infrared camera, environmental sensor, light sensor and other technologies. At the same time, Face ID can also realize "brush face" payment.

5、iPhone 1 1:

The display screen of iPhone 1 1 can adapt to the color temperature of ambient light by adjusting the white balance. Support lighting or elevator wake-up. Screen display supports P3 wide color gamut and original color display.

IPhone 1 1 series three new products all support dual card dual standby, support nano-SIM card, and are not compatible with existing micro-SIM card. According to reports, users can select data and voice SIM cards in the settings.