This will force the phone to delete the current cache and replace it with a new one over time.Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).Press the Volume down key several times to highlight ‘wipe cache partition’.Press the Volume down key until ‘yes’ is highlighted and press the Power button.When the wipe cache partition is complete, “Reboot system now” is highlighted.Press the Power key to restart the device.Many Android users often underestimate the importance of using official charging accessories. To ensure that all your apps have access to defaults apps, do the steps below:Tap on More settings at the upper right (three-dot icon).Restart your S9 and check for the problem.You should consider wiping the device if none of the things mentioned above has improved the situation. I can share a tip that has actually helped me. Sometimes i get to 30% battery and dont touch phone for 5 … We suggest that you begin with the most recent ones you added.After you uninstall an app, restart the phone to normal mode and check for the problem.If your S9 is still problematic, repeat steps 1-4.In some cases, apps may encounter problems if one or a number of default or core system apps and services are disabled.

1. By manually forcing your Note8 to reboot, you’re basically simulating a battery pull, which, in older mobiles with removable battery packs, was an effective way to refresh the system.

Allow several seconds for the Maintenance Boot Mode screen to appear.From the Maintenance Boot Mode screen, select Normal Boot. It's supposed to allow the system to access apps more quickly and efficiently, but sometimes things get cluttered and outdated, so a periodic cache clearing can help make the system run more smoothly.Your phone will take a little time booting up after the cache partition is wiped off of its contents as it will rebuild or recreate those caches. Let your device discharge to 0% and turn off automatically. In this post, we show you what you can do if you have a battery drain issue on Galaxy S9 like the one below.Problem: Galaxy S9 battery discharges fast when it reaches 30% (battery drain issue).Any power or battery issue can have a number of causes. Keep in mind that the standard USB cable has tiny wires inside that can easily break. If you haven’t tried this one yet, here are the steps that you can do:Press and hold the Power + Volume Down buttons for approximately 10 seconds or until the device power cycles.

Don’t forget to back your files up before wiping the phone. And now story is repeating with S9. Never had issues with battery but after the recent Android 10 upgrade it started to darin really quick.

There is a possibility that the battery issue the users were facing might be faced by many. However, these apps tend to use a lot of battery power. Users can even consider using the auto-brightness option.You must keep your device updated with the latest software at all times. We’ve received reports from some #GalaxyS9 owners that the battery of their devices seemed to have drained faster after installing an update for Android Oreo. To check if one of the apps is interfering with Android, you can run the device to safe mode. S9 - Android 10 Update - Quick battery drain JUMP TO SOLUTION ‎02-09-2020 01:47 PM - edited ‎02-09-2020 01:56 PM. Since the smartphone manufacturer keep on sending updates that come with the fixes for minor issues according to the feedback of customers.

Sometimes, the software can get conflicting information from the battery resulting to incorrect power level readings.