This means using your device until it powers down by its own and the battery level reads 0%. To see if that’s the case, you want to do a battery calibration. Sometimes, the software can get conflicting information from the battery resulting to incorrect power level readings. Your device may need a battery calibration. This can cause battery problems, damage the phone, or cause slow charging.īattery calibration. If there are too many broken wires inside, your phone may not receive enough power when charging. Keep in mind that the standard USB cable has tiny wires inside that can easily break. If you think that the cable is bad, try to replace with another official cable. Make sure that you’re using the cable and adapter that came with the device to lessen the chances of charging problems. What many don’t realize is that charging cables and adapters can go bad just as easily as the main device itself. Many Android users often underestimate the importance of using official charging accessories. Press the Power key to restart the device.When the wipe cache partition is complete, “Reboot system now” is highlighted.Press the Volume down key until ‘yes’ is highlighted and press the Power button.Press the Volume down key several times to highlight ‘wipe cache partition’.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 and hold the Volume Up key and the Bixby key, then press and hold the Power key.This will force the phone to delete the current cache and replace it with a new one over time. To ensure that your phone’s system cache is fresh, you can wipe the cache partition. While this may sound harmless, a corrupted cache can eventually cause performance issues as well as a bunch of other minor annoyances. Sometimes, this cache gets corrupted during and after an update, or for some other reasons. Android uses a system cache, which is stored in the cache partition, to load apps quickly. If refreshing the system won’t change anything, the next good thing that you can do is to clear the cache partition. Wait for up to 90 seconds for the reset to complete.Ĭlear the cache partition. You can use the volume buttons to cycle through the available options and the lower left button (below the volume buttons) to select. From the Maintenance Boot Mode screen, select Normal Boot.Allow several seconds for the Maintenance Boot Mode screen to appear. Press and hold the Power + Volume Down buttons for approximately 10 seconds or until the device power cycles.If you haven’t tried this one yet, here are the steps that you can do: 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. Sometimes, this simple procedure can fix bugs that developed after the system has run for a long time. To know where the problem lies, follow the suggestions below. Solution: Any power or battery issue can have a number of causes. I do use the device manager to check battery and am now wondering if that has some effect on what is going on. When it does get to show battery needs charging at 15% warning, i put phone on charger only to watch it the phone discharge to 0% turn off and start charging. This happens at different percentage of battery but all under 30%. Sometimes i get to 30% battery and dont touch phone for 5 minutes to only discover phone battery has completely discharged and have to charge phone. Hello My Samsung S9 is having battery issues. Problem: Galaxy S9 battery discharges fast when it reaches 30% (battery drain issue) In this post, we show you what you can do if you have a battery drain issue on Galaxy S9 like the one below. There are a number of possible reasons for it so nailing down the real cause can be challenging. Fixing battery drain is usually not a simple affair.
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