Recently, LG brand a mobile phone named LG K31 appeared in the US market. This mobile phone is mainly used in the entry-level market. It adopts the design of water drop screen, rear dual camera and post fingerprint identification, and the price is relatively cheap, which is $150. < / P > < p > LG K31 mobile phone is equipped with MediaTek Helio Although the processor level of P22 processor is not very high, it can basically meet the daily needs of ordinary users; on the front is a 5.7-inch high-definition display screen with a resolution of 1520 × 720 and a water drop screen design; the front camera is a 5 million pixel lens, and the rear dual camera is a 13 million pixel lens and a 5 million pixel lens supporting wide-angle shooting. < / P > < p > in other aspects, there is a fingerprint identification module on the back of the phone, which is used to unlock the phone or to ensure payment security. It is located under the rear camera, which is more conspicuous. In addition, the phone comes with a 3000mAh battery, which seems a little small, but given that it’s an entry-level model, that doesn’t matter. 865 optimization is different? These mobile phones should teach you a lesson!