Other than that, there are a series of names for the front and back cameras."
Chen Chencheng frowned, "I feel like something's a little off here."
"Oh, really? Recently my phone's battery started bulging. What's usually the reason for that?" Li Qing asked curiously.
"Actually, most phones now have built-in non-removable batteries, and an original battery would never have this issue. Sir, you probably bought a battery online and replaced it yourself, right?"
The clerk explained with a smile, "But there are still many reasons that can cause a battery to bulge.
