HT207026: About the security content of iOS 9.3.4
Learn about About the security content of iOS 9.3.4
Q: HOW TO FIX FINGERPRINT SENSOR AND BATTERY LIFE AFTER IOS 9.3.4
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Aug 12, 2016 7:00 AMby AppleJen77,Hello there, redmabry!
Thanks for reaching out to the Apple Support Communities! It sounds like you have issues with the Touch ID and battery on your iPhone. I know how important it is to be sure the iPhone is working properly at all times. This article here will show you steps for Maximizing Battery Life and Lifespan. This will give you settings to adjust to improve the battery life of the iPhone.
For the issues with the Touch ID, try these steps and then try setting up Touch ID after each one. Start by restarting the phone. If that doesn't work, it would be a good idea to be sure there is not a software issue as the root cause. Check out these articles for steps:
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Check out this article for the steps for How to backup your iPhone, iPad, and iPod touch.
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Use this article for the steps to Use iTunes on your Mac or PC to restore your iPhone, iPad, or iPod to factory settings.
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Once that is done, set the phone up as new and test the phone to see if the issue is still going on. Then, follow this article to Restore your iPhone, iPad, or iPod touch from a backup
Cheers!
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