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Save Battery Life On Samsung Galaxy S8 And Galaxy S8+ Plus

Bad battery life is something many smartphone users deal with. In fact, it has become such a common thing that people nowadays expect having to recharge their smartphones every single night. But there are instances when you don’t want or you can’t do that. Just like there are instances when the battery of Samsung Galaxy S8 and Galaxy S8+ Plus might last even less than a day.

If the battery drains out within hours, all of a sudden, it could be something wrong. Despite the many resources a smartphone like S8+ Plus uses, it shouldn’t kill your battery that fast. On such situations, you can suspect:

  • Faulty apps;
  • Too many apps running in the background;
  • Software bugs;
  • Certain features turned On all the time;
  • Or just a faulty battery.


Are you serious about fixing the fast battery drain on Samsung Galaxy S8 and Galaxy S8+ Plus? The most radical thing you can do is to reset the device to its factory settings. With a fresh start and an empty device, you can begin personalizing it from scratch. This guide will teach you how to reboot and reset a Galaxy S8.


Would you rather investigate step by step? Here are the top 7 things we recommend you to try:

  1. Disable Wi-Fi;
  2. Disable LTE;
  3. Disable Location;
  4. Disable Bluetooth;
  5. Manage background sync;
  6. Reduce tethering;
  7. Activate the Power-Saving mode.


Wi-Fi, LTE, Location, and Bluetooth are those functions generally useful that do not necessarily need to stay active all the time. You can choose to manually activate the internet, whether it’s wireless or mobile, only when you need it. And you really don’t have to have the Wi-Fi and the LTE active at the same time.


Internet without limits can easily drain your battery for some very obvious reasons:

  1. The Galaxy S8+ Plus will try to connect to any new Wi-Fi network available;
  2. Apps running in the background will look for updates and even try to install them;
  3. Other apps will try to back things up for you, again, in the background.


If you’re not comfortable deactivating the GPS, you can rely on our last recommendation, the Power-Saving mode. This one will keep location off when you don’t need the GPS and turn it on when you’ll try to use the Navigation or anything else that would require an active GPS.

  • Try to keep under control the Wi-Fi, the LTE, the GPS, and the Bluetooth, which are known to be one of the biggest silent battery consumers. Monitor your Galaxy S8+ Plus to see how much battery you’re saving this way.
  • Similar to limiting the use of Wi-Fi, refrain from tethering with your device if you don’t really have to. Sharing the internet with other devices will take up a lot of battery, so think twice if you really need it. Perhaps it’s better to turn this feature off completely.
  • Because we already mentioned the apps that are running in the background, trying to upgrade or sync, you really have to tweak these sync options. Go to Settings, Accounts, and from the list of apps presented in there, disable the synchronizations for those you want to control. You’ll be surprised to see what a significant difference can make disabling even one single app sync, such as the Facebook background sync.


As for the Power Saving mode, its name says it all. This feature comes with plenty of options that will allow you to save battery. It’s not just about restricting background data, but also limiting the general performances, turning off the backlit keys, lowering the screen frame rate, turning off the GPS when not needed, or even controlling the processor of the device. Moreover, you can decide if you want to let your Samsung Galaxy S8 or Galaxy S8+ Plus automatically turn on the Power-Saving mode when the battery drains up to a certain percentage, or manually start it whenever you want.

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