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iPhone 12 teardown reveals Qualcomm X55 5G modem and 2,815 mAh battery

The iPhone 12 and 12 Pro are both officially going on sale starting this Friday. Thanks to a teardown video posted by Century Weifeng Technology, we are getting a close look inside the 6.1-inch iPhone 12 model.

The teardown video compares the iPhone 12 to the iPhone 11 and although there are some similarities in the overall layout of the phone’s build, there are some key differences in the updated design. The logic board is larger than the 11’s, mostly due to the added 5G capabilities that require an extra chip. This 5G modem has been identified as the Qualcomm X55. We’d heard rumors that Apple was going to use the Qualcomm-made modem and as Apple confirmed in the keynote presentation, it ended up going with its own 5G antenna designs, hence the thinner form factor.

Although the logic board is larger, there are a few items that Apple reduced in size to slim the iPhone 12’s overall dimensions. The OLED display assembly is thinner, the Taptic Engine assembly is significantly smaller, and it’s discovered that the iPhone 12’s battery capacity is 15% lower than that of the iPhone 11 at 2,815 mAh. All of this makes the iPhone 12 11% thinner, and 16% lighter than the iPhone 11.

On the back panel, we get a good look at the MagSafe magnetic assembly. The ring is made of entirely of magnets that line up with MagSafe accessories for easily lining up the magnets with the new MagSafe charger.