Leaving phone plugged in all the time? I have a spare OnePlus One that I use for home automation stuff (RM Plugin, Tasker, etc.) I leave it plugged in all the time. Sometimes the phone does get quite hot. Just today, wanting to do more Tasker stuff with it, I noticed that the screen popped out a bit, guessing due to battery swelling.

I'm basically confused what causes what between:


Leaving the phone plugged in all the time
App power management (like sometimes screen was left on, etc.)
High temp
Battery swell


Also, would it be possible to continue using the OnePlus?

Thanks!
You can leave the phone plugged in. Modern phones have advanced charging electronics, that should prevent overcharging and similar problems.

But when the battery is swelling, you should not continue using the phone. It may start to burn or explode. When you still have seller's warranty, use it. Otherwise I would still buy a new one as soon as possible. Defect batteries can be dangerous.