iPhone SE 2020 Battery Drain at Random
Hi, my iPhone battery randomly starts to drain without explanation depending on how I charge it, but doesn't happen always.
First picture is what happened yesterday after charging it overnight with its lightning cable.
Second picture is today, after having charged it with an Anker wireless charger.
Same apps and widgets and iPhone on my bedside table without barely touching it. This behavior happens sometimes and it's driving me nuts. And yes, I've tried every solution I've found online.
Finally, I don't trust this graph or iPhone's battery percentage anymore, as today I've used my phone for a while, but yesterday it was standing still until mid afternoon. Now it's 2:29 P.M. and I still have 97%. No way.
Cheers.
iPhone SE, iOS 15