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Many users have asked more details on how I achieved my battery life results, this guide will cover some basic settings and behaviors that are proven or supposed to reduce energy consumption, no root involved.
Power results to expect:
7-9h SoT: Mainly 4G, mid to max brightness, navigation applications and outdoors utilities.
9-11h SoT: Your average work day, 50% max brightness and 4G, 50% half brightness or less on WiFi, mainly video playing, communication and web browsing applications.
11-14h SoT: Same as above but with lowered screen brightness and no 4G.
Gaming applications automatically forfeit any battery report due to too many variables. I can’t include them, but your gaming time will certainly last longer if you follow everything.
According to what has been seen on forums, Snapdragon versions seem to perform considerably worse than Exynos ones regarding power consumption and they should be expected to not last as much, I’m still waiting to see a side by side battery test between the two, please mention your model when posting screenshots.
Just a few options here:
Black/Night themes will reduce power consumption without doubt while helping your AMOLED maintain quality for the future, your Quickpanel has a simple shortcut to enable Night mode system-wide and on supported Samsung applications, keep it on all the time if possible.
Your Quickpanel is not actually black in Night mode (85% black), it also forces your device to drop frames every time it is summoned by blurring the background, a very expensive and unnecessary effect.
As smooth and elegant as OneUI Home can look, it is stupidly heavy on the GPU, especially when launching the app drawer (unnecessary blur effect again), you can see Nova and OneUI Home compared:
You can make Nova look exactly the same as stock OneUI while having more features and better performance.
Darker wallpapers will help, but overall no big deal.
Animated wallpapers are expensive, you’re not going to stare at them, keep your wallpapers static and your animations in the gallery.
Biometrics and Security, Location, disable everything under Improve accuracy, you don’t need this on this phone, nobody does, modern GPS systems are already accurate enough indoors to not justify having to scan for Wifi SSIDs or Bluetooth even when they're off.
Dolby Atmos requires some additional processing to handle the extra channels, if you do not hear any quality difference, keep it off.
FHD+ (2280 x 1080) and WQHD+ (3040 x 1440) will look exactly the same to the untrained eye.
WQHD+ will to make your GPU worry about 23% more pixels, it will result in:
-30min off your average SoT day
-25% less autonomy in 3D games
I personally couldn’t go back to 1080p after upgrading all my displays. All my SoT screenshots have been taken on 1440p settings.
Most apps can be disabled from Settings, Apps, for apps that can’t be disabled that way, I recommend using this guide if you are unfamiliar with Adhell.
After disabling everything related to Facebook (use alternative apps if you really need it), do not keep duplicate active services that do the same kind of tasks;
You can apply the same principle to all the system apps you think aren’t useful to you, this will greatly reduce RAM usage and CPU wakelocks/alarms.
They’re not free to use, they drain energy by logging, everything does.
Unless you’re specifically checking for rogue apps attacking your battery, get rid of Accubattery or similar apps.
Good utility, but you shouldn’t run it manually and you shouldn’t kill apps with it, instead:
Android does not need an Antivirus, you will not get malware unless you install modified apps with unofficial signatures (the Play Store still has malware too, stay away from shady apps), if you often try third party apps from the outside, make sure your apks are clean by uploading them to www.virustotal.com.
If you suspect your phone has been infected and you can’t identify the package, install a better Antivirus software such as Bitdefender or Avira, but I don’t recommend keeping them installed unless you are playing with high risk applications all the time.
Sleeping apps puts unused (not in your multitasker) apps to sleep, alike pressing X on a desktop Operating System.
Since most apps are badly optimised and using Android’s great RAM management to keep them alive only results in more wakelocks and drain, Samsung deserves a lot of respect for letting us do this without third party apps such as Brevent or Greenify.
You need to have Outlook installed on your phone to follow those annoying work e-mails, but you’re tired of notifications? Put it to sleep.
Put every app to sleep unless:
Animations are expensive and make your system appear slower, reducing them will help by making your GPU draw less frames.
They can be sped up or disabled from Developer options, I recommend .5x for a good balance, to enable developer options:
Additional animations can be removed by enabling Reduce animations in Advanced features and Remove Animations in Accessibility, Visibility enhancements.
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