I changed 10 settings on my Android phone to dramatically improve battery life
Briefly

One of the biggest battery drainers for any smartphone is the always-on display. Companies will regularly tell you that this display setting only drains about 1% to 2% an hour, but let's be honest -- it's always way more. It may be nice to glance at your phone while it sits on a table to check the time, but it's probably not worth sacrificing your battery life.
While all these settings are available on practically any Android phone you can buy, the process for adjusting them can vary between devices. Keep this in mind when following the steps I lay out because the approach might be slightly different depending on which phone you're using.
I started writing this guide on the settings you should use to save battery life, it all came naturally to me. These settings are the most effective, easiest, and quickest ways to save battery life regardless of the Android phone you're rocking.
Read at ZDNET
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