HT201264: About the battery usage on your iPhone, iPad, and iPod touch
Learn about About the battery usage on your iPhone, iPad, and iPod touch
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Helpful answers
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Sep 15, 2016 3:28 PM in response to Mieyzamokhtarby becky_s22,Hi, Mieyzamokhtar!
Thank you for using the Apple Support Communities. After reviewing your post, I understand that when you try to view your Battery Usage, you see a message that states it will be available after using your iPhone for a few minutes, but it never actually populates. I use my iPhone pretty much all day, so I know it's important to be able to see what is using the battery the most. I would be happy to help with some troubleshooting!
First, I recommend creating a backup of your information using iCloud or iTunes. You can get instructions on how to do that here: How to back up your iPhone, iPad, and iPod touch
Once you have a backup, reset your iPhone settings under Settings > General > Reset > Reset All Settings. This will not remove any of your personal data (like contacts, pictures, Calendar events, and Reminders) but it will revert any customizable settings (like your wallpaper and display brightness, alert sounds, and Date & Time settings) back to factory defaults. It will also remove any saved Wi-Fi networks and passwords, as well as any previously used VPN or APN settings.
After the reset is complete, use your phone for a few hours, then check to see if the Battery Usage will populate.
If it still will not display any Battery information under Settings > Battery, I would suggest restoring your iPhone to factory settings, following the steps here: Use iTunes on your Mac or PC to restore your iPhone, iPad, or iPod to factory settings
After the restore is complete, set your iPhone up as a new device (meaning without your backup, at least temporarily). You can sign into iCloud, iMessage, FaceTime, and the iTunes and App Store using your Apple ID, and can also download some content from the iTunes and App Store. Use the iPhone for a few hours, then check the Battery Usage.
Cheers!
