The 2015 MacBook Pro models sold from September 2015 to February 2017 encountered some battery problems and could cause an explosion. Apple has just announced a free battery replacement and replacement program for the 2015 15-inch MacBook Pro models sold from September 2015 to February 2017. The reason is that the battery of the product has overheating phenomenon, easy to burn. To check if your MacBook is in the free battery replacement area, the user enters the product serial number into this website. Apple said that only the products of the 2015 MacBook Pro 15 had problems with battery errors other lines were not affected. Users can check the device life by clicking on the Apple logo, selecting “About This Mac”, the information of the device will appear. Users can bring their MacBook to authorized Apple service centers or Apple Store for technical staff to check. If you meet the Apple criteria, you will be replaced with the battery for free, the repair time can last up to 2 weeks. In April 2019, Apple also recalled charging roots of MacBook, iPhone, and iPad in three markets: Britain, Hong Kong and Singapore due to electric shock. This is not the first time Apple products have problems. By the end of 2017, Apple had suffered a serious scandal when users found the company deliberately slowed down old iPhones through software updates. The fact that many people suspect Apple does this to force iPhone users to upgrade to a new device. Apple explained in a statement: “Our goal is to bring the best experience to users, including overall performance and device lifespan.” The company said users can replace a new battery to overcome performance degradation on the device. Apple offers a $ 29 battery replacement service for iPhone SE, 6, 6 Plus, 6s, 6s Plus, 7, 7 Plus, 8, 8 Plus and X. This program ends at the end of 2018.