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The 2024 Developer Survey results are live! See the results
16 votes
Accepted

How do you turn off an iPhone so it consumes no battery?

An iPhone with a healthy battery and working circuitry will sit for a year if you charge it fully. For optimal longevity, you want to only charge it to 50% and repeat that half-top-off every 6 months. ...
bmike's user avatar
  • 238k
3 votes

How do you turn off an iPhone so it consumes no battery?

You are doing everything right. Your battery is old and can't hold a charge that long. Your options are Replacing the battery. Given that you need the phone only once every few month and Apple will ...
Hilmar's user avatar
  • 131
1 vote

How to make my iPhone use less battery in poor-coverage areas?

You get three controls here by design. Low power mode (which will reduce transmit when signal strength demands your amplifier be on max energy mode). Airplane mode. You get all the battery life you ...
bmike's user avatar
  • 238k
1 vote

set audio alarm for when charger is disconnected

Slightly different use case, if you want a distinct chime only once when the battery power kicks in (either by unplugging adapter or by simply losing power to the adapter). Thanks to Trane Francks ...
ADTC's user avatar
  • 237

Only top scored, non community-wiki answers of a minimum length are eligible