Recently, according to the foreign media “Tom’s Guide”, if the iPhone 12 is connected to 5g, the overall service life will be about 2 hours less than that when connected to 4G, which may become a hidden danger for Apple users when they go out. Tests show that, under the same conditions, the iPhone 12 Pro has better endurance than the iPhone 12. In addition to 40 minutes at 5g, it also has a longer 1 hour under 4G. < / P > < p > the specific data is that iPhone 12 has 8 hours 25 minutes (5g) or 10 hours 23 minutes (4G); iPhone 12 Pro has 9 hours 6 minutes (5g) or 11 hours 24 minutes (4G). < / P > < p > for comparison, the iPhone 11, which only supports 4G, has 11 hours and 16 minutes of battery life, which is equivalent to the iPhone 12 Pro when connected to 4G, but still much better than the iPhone 12. In other words, although the battery power of the iPhone 12 is smaller than that of the previous generation, due to the optimization of the A14 processor, the iPhone 12 still has similar endurance performance with the iPhone 11 / 11 pro, but only if it is connected to 4G instead of 5g. < / P > < p > in addition to the decline in battery life when connected to 5g, it is also found that the size of the speaker and the taptic engine vibration motor of the iPhone 12 are smaller than those of the previous generation. How much impact is expected on the iPhone Users who like to listen to music on their mobile phones may also have some impact on the vibration feel of 12 and the listening feeling when playing the stereo outside. It may need a larger iPhone 12 Pro Max to solve this problem. < / P > < p > from the above phenomenon, the reduction of the frame and body size, and the resulting lighter weight make the iPhone 12 have to sacrifice some internal space and component specifications. Global Tech