Why Does My Iphone Battery Run Out So Fast. This morning it went from 85 charged to 22 within minutes so needing to use the phone today I plugged it in to charge and when I did it instantly jumped to 70 there wasnt time to get it to 100 before it went out so I unplugged it and an hour later its down to 28. Downloaded apps are the main cause for concern.

Next tap the information button look for the orange. To unpair your Apple Watch and iPhone open the Watch app on your iPhone and tap the name of your Apple Watch at the top of the My Watch menu. Apple has designed the battery to be strong and safe for use.
On the My Watch tab tap General 3.
You might have enabled specific settings on your iPhone that could cause the battery to drain out so quickly. To unpair your Apple Watch and iPhone open the Watch app on your iPhone and tap the name of your Apple Watch at the top of the My Watch menu. Normally these apps should use a portion of your CPU while running. Downloaded apps are the main cause for concern.

