A few years ago, Samsung had major battery issues when several faulty Galaxy Note 7 phones had exploding batteries. The devices were recalled, and the company spent a lot of time over the following years outlining all the rigorous battery tests it did to ensure it didn’t happen again. via Technology and News Today https://www.engadget.com/the-morning-after-does-samsung-have-another-phone-battery-problem-111547205.html