LG revealed the back of the G7 phone at MWC last week, as evidenced by the leaked photos of the forthcoming flagship products from Huawei and OnePlus. HTC also announces the launch of a new flagship product, which will also feature BlackBerry this year as its flagship product will be made of glass, given the company's production of handsets with this feature since early 2017.
Of course, the glass is very beautiful, but also very weak compared with aluminum. So why are these materials so ubiquitous and popular in mobile phones? Because the glass looks great, and heavier glass gives a luxurious feel, users are eager to luxury, especially in the price of more than 1,000 US dollars on the device, the other with the aluminum back of the phone is not compatible with wireless charging, and Wireless charging is now the main feature of the flagship phone. The use of glass also means stronger signals like Wi-Fi, LTE and Bluetooth without the need to embed bulky antenna lines into the frame.
Of course, if the cell phone on the back of the glass material unfortunately broke, the company will charge a large replacement glass costs. Apple company maintenance costs in this area as high as 549 US dollars, AppleCare + price of 279 US dollars. For no AppleCare +iPhone8 and 8 Plus, the back panel costs $ 349 and $ 399, respectively, making glass replacement on these devices more expensive than the front screen.