Battery Drainage Resolution
Will this update resolve my sudden accerlerated battery drainage? Pls advise
iPad Air, iOS 12
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First, the Rapid Response Update is an essential system security patch - fixing a vulnerability that is known to be actively exploited. You are strongly advised to apply the update as soon as possible.
Performing the software update may also fix other issues - including high battery utilisation.
Higher than usual battery utilisation is expected to occur for some hours, or possibly days, after performing a system software update. After updating, many background housekeeping processes will be running - including reindexing the file system. Nominal battery utilisation can be expected to return within a few days.
If you are experiencing very high battery utilisation, a process may have stalled. A forced-restart will usually clear a stuck/stalled process. To restart your iPad:
Force restart iPad (models with the Home button)
Press and hold the top button and the Home button at the same time. When the Apple logo appears, release both buttons.
If the problems persists, you might be well advised to seek assistance to seek from Apple Support - and request a remote diagnostic test. You can contact the Support Team using the Get Support link at top-right of this page.
Alternatively, you can initiate and manage your support cases using the excellent Apple Support App. If not already installed on your iPad, the App can be downloaded from the App Store:
https://apps.apple.com/gb/app/apple-support/id1130498044
You might also visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to test and assess your iPad: