Black wallpaper can increase battery
If your phone has an AMOLED screen (like most Samsung devices), use a dark-colored background. Black wallpaper can increase battery life because AMOLED screens only illuminate the colored pixels.
Black pixels are unlit, so the more black pixels you have, or the more darker pixels, the less power is needed to light them up.
To download a completely black wallpaper, Now, save the picture and go into your Settings. From there tap Wallpaper hit Choose wallpaper and scroll down to Gallery.
You should be able to find the black wallpaper you just saved. Hit set to wallpaper and lock screen. Watch the video below to see how this is done.
Doze mode has been around since Android Marshmallow, but with Nougat, it's been much improved. Before, Doze would only work when the smartphone has been stationary for a while.
But now, it can also work when it's being moved around (in your bag or pocket while you're on the go, for example). The screen just needs to be off to work.
Doze mode essentially just shuts down things you're not using depending on how long it has been since you've touched your phone.
Network connection is severed and syncing only happens during specific intervals. When you're away from your phone even longer, more things are stopped, like GPS, Wi-Fi scanning and all syncing.
Turn off Google hotwords
Stop your phone from always listening. Google's OK Google voice searching is a fantastic and often very functional feature.
The problem is that it can wreak havoc with your battery. Especially if you don't actually use it or only use it occasionally.
Go into Google settings from your app drawer and tap Voice heading. On the next page, select OK Google detection.
In this menu, the best option for battery life would be to untick all the boxes, but if you are a fan of OK Google,
just tick the From the Google app box to ensure your device is only listening when you're in the Google app.
Don't let your apps fall behind the times
Keep your apps updated. There's a reason developers constantly update apps, and most of the time it's for memory or battery optimization.
Keeping your apps updated also means you have the best optimizations available. Likewise, delete old apps you no longer use, because these may be running background processes that chew up RAM and battery life.
Once you've ensured your apps are up-to-date you can go through them individually and check if they're optimized for battery life.
This can be done quite quickly. Just go into your Settings and tap Battery. From there hit the menu button (three dots at the top right of your screen) and go to Battery optimization.
From there you can see which apps are optimized and change them. You can only change the non-essential system apps.
Unlike many Android apps that claim to optimize performance and increase battery life, Greenify actually works.
Greenify allows you to put other apps into hibernation when they aren't in use, preventing them from operating in the background.
This frees up system resources and boosts battery performance, but requires a bit of thought. For Greenify to be effective you can't just hibernate every installed app.
But since there are a lot of Android apps that perform actions you don't know about, or necessarily want, this is a useful tool.
This can be helpful in many situations. For example, you might use the Amazon app to browse for things to buy, but don't want it to operate in the background or send notifications.
There might be other apps on your Android device operating in the background without a good reason.
Greenify stops this by sending those apps into hibernation, which reduces their impact on the system, saving battery life while improving performance.
Don't use adaptive/auto brightness
Don't use display auto-brightness. It may sound useful, but auto-brightness is usually way brighter than you really need.
It's better to manually set the brightness to a level that is low but comfortable, and bump it up when necessary.
This is one of the best ways to improve your battery life, because the screen is one of the biggest battery suckers.
To ensure your adaptive/auto brightness is off go into the Quick settings in many devices and you should see Auto with a box above and a checkmark in it.
Uncheck this box and your auto will be off. With some devices you might need to go into the Settings then tap Display. From there you should see Brightness level and in it you'll find the auto settings.
Turn off vibrate and haptic feedback to save battery
Switch off vibrate. Unless you really need that added awareness, turn off vibration alerts for incoming calls.
It actually takes more power to vibrate your phone than it does to ring it. Turn off haptic feedback too (that buzz you get from typing on the keyboard).
Sure it feels cool, but it doesn't really add anything to your experience, and it's another battery drainer. Watch the video below to see how you can do this.
Set your 'Do Not Disturb' or 'sleep' schedule
Set sleep times or blocking mode to switch off Wi-Fi and mobile data when you don't need them.
If your phone is basically off limits at work, set your device to not ring, vibrate or connect to the internet while you're at work. Many phones have a Do Not Disturb setting for just this purpose.
Likewise, you can set your phone to airplane mode when you're asleep or use sleep or blocking modes to set up limits for what your phone does during certain times of the day,
whether that's while you're asleep, at work or in a meeting. Cool apps such as IFTTT let you create rules that can help you save battery life too.
You don't need to be connected 24/7
Turn off GPS, Bluetooth, NFC, Wi-Fi and mobile data whenever you don't need them.
Turning off location data, or changing your location settings to use Wi-Fi or 3G data rather than GPS works perfectly well.This will increase battery on your Android device.
Only turn on Bluetooth and NFC as long as you need them (even though they consume very little power), and there's no need to have both Wi-Fi and mobile data turned on at all times,
Especially if you know exactly when you'll need one or the other.If you use Wi-Fi a lot though, say at home and at work,
Then it makes sense to keep set your Wi-Fi to 'Always on during sleep' as this uses less power than to have your Wi-Fi reconnecting every time you wake your phone. Most of these can be found in your Quick settings.
Don't get bogged down by widgets
Ditch widgets you don't need, especially those connected to the internet, such as weather widgets.
If you have multiple widgets across several home screens, which are constantly syncing and updating (Twitter, reddit, weather, Gmail and the like), you're not doing your battery any favors. Just hit the apps when you need them.
If you already have a bunch of useless widgets on your device then you just need to do a couple of things and they'll be gone. Long press on a blank space on your home screen.
Now drag the widget you don't need into the trash bin at the top or bottom of your screen (it depends on the brand).
Don't fall into the auto-sync trap
Turn off auto-syncing for Google accounts. If you don't need every single Google account updated every 15 minutes, just go into Settings and Google account and turn off auto-sync for those apps you don't need constantly updated.
Some apps – like email – let you manually refresh when you launch them, rather than running multiple auto-refreshes throughout the day when you may not need them to.
The same goes for Twitter, Reddit and co. Unless you need constant updates or push notifications (like for Facebook or your calendar) just sync when you actually use the app.
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