A few years ago, when Apple slowed down iPhone clocks to save battery power,I didn’t join the crowd, which is to say, I didn’t replace the iPhone SE’s battery.
My battery charge life is satisfactory because I’m a smartphone battery minimalist, ie relying mostly on native apps and removing them from action (swiping up) when I’m done [1]. There’s no streaming video, and maybe just a few minutes of streaming audio per year. Browsing, emailing and texting less frequently, especially this winter with lockdown.
This winter I was out in the freezing cold and the Apple cell phone battery dropped from 70% to a level that caused the phone to shut down and not start again. This is really frustrating because I do need a data connection to find information and I need a phone to call someone.
Around January, I visited an Apple genius for the first time in my life and asked for a battery replacement. However, since then I have never seen the battery drain so quickly. My usage hasn’t changed. The only explanation is if the iOS update caused more activity at the same time. What a coincidence as this is the only time I’ve replaced the battery in years.
Is there any way to confirm that the battery has actually been replaced?
NOTE: I find that if I don’t turn off the camera or Google Maps, the battery drains very quickly.
steps taken
Technical support performs remote diagnostics to confirm 100% battery health. I’m not sure what details the diagnostics will generate.
They recommend upgrading to iOS 14.4, which apparently features the iPhone SE’s battery-saving features. I still see noticeable battery drain when the phone is almost always not in use.
The recommended next step is to flash the firmware. Since I don’t want to install something as huge as iTunes on my computer, they said the Apple Store can do that. The Apple Store attempted to do this today (2021-03-14 ), but the process requires a factory reset. I didn’t have time to re-establish my Apple battery environment (including accounts and apps) this weekend, so I decided to install iTunes later and do it myself.
Staff provided helpful advice. While they agreed that deleting apps might help if the phone was barely used, I could also eliminate the risk of unnecessary CPU usage by closing browser tabs. I will do it.
Similarly, using Low Power Mode turns off a lot of background activities that require restarting and just to stretch out the last drop of power. It’s not suitable for normal use, so I’ll disable it (having to re-enable it anyway is inconvenient ).
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