Google is bringing a new optimization method called AutoFDO to Android’s kernel, using real usage data from popular apps to make the operating system run faster and more efficiently.

Google's new Android kernel optimization uses real usage data to speed up phones and extend battery life without hardware upgrades.

Android phone battery life often feels unpredictable, even on newer devices with larger batteries and efficient chips. One day your phone lasts until bedtime, the next it struggles past mid-afternoon.