11 Lower down the resolution



What Do “Power Usage” and “Power Usage Trend” Mean?


Each process has a value under these columns. The Power Usage column tells youhow much power the process is using at this exact moment, while the PowerUsage Trend column shows you the longer-term trend. You can click the columnsto sort by either type power usage.For example, a process might currently not be using much power at this verymoment, but might be using a lot of power in general. Or, a process might beusing a lot of power right now, but it tends to use very little power. Focuson the trend for a better idea of how much power a process uses.Unfortunately, Windows doesn’t give you precise numbers here. It just givesyou a rough idea of power usage, which should be “Very Low” for most processeson your system. If a process is using more power than that—especially if it’srunning in the background—you may want to quit that process to save batterypower on your laptop or tablet.Microsoft hasn’t explained exactly what the various words here mean. We don’tknow the precise difference between “Very low” and “Low,” for example.

5. Check for Battery Draining Apps


If an app consumes too much power, it can cause battery drain problems on yourS9 and S9 Plus smartphone. The most common symptom is the overheating of yoursmartphone. Therefore, whenever you sense that your smartphone’s battery isdraining abnormally, you must check the Battery Usage section on your phone.It shows up the battery consumption by system functions and different appsthat you’ve on your smartphone.Now, if you come across any app that’s using too much power, you must eitherremove those apps or update them to fix S9/S9+ battery drain problems. Suchapps can also cause several other problems like overheating and poorperformance. Also if you use a lot of social networking sites on your phone,you might experience excessive battery drain issues. This is because theseapps constantly contact remote servers to fetch and display the updatedinformation, and this can cause S9 or S9 Plus battery problems. If you don’twant to remove them from your smartphone, make sure to sincerely minimizetheir usage to prevent battery issues. Also, make sure to close an app whenyou don’t need it. Otherwise, it will keep updating content in the backgroundand your battery will have to suffer.Here are the steps to find battery draining apps on your Galaxy smartphones: 1. Go to Settings 2. Tap Device Maintenance 3. Tap Battery > Battery UsageYou would see Android System, Device idle, Screen at the top. But, if you seea third-party application in place of them, it’s harmful to your device. Now,first, update these third-party apps, and if they still misbehave, you mustuninstall or downgrade them to fix the battery problem on your S9.Pro tip– If your favorite app is consuming too much battery after a recentupdate then make sure to check the latest reviews of that app in Google PlayStore. You can also report your issue and hope to receive a quick fix for thebug.

7. Uninstall the apps that you don’t use/need


Many users have a habit of downloading and keeping a lot of apps on theirsmartphones. But, do you know that just having certain apps on your smartphonecan consume excessive battery and cause bad performance on your device, evenif you’re not actively using them? If you started facing battery issues afterinstalling a particular app on your smartphone, then you must find out &remove it. Also, if you see an infrequently used app at the top of the BatteryUsage section, the app is certainly not good for your device. It can be due tocompatibility, poor coding, or a glitch. This commonly includes the pre-installed bloatware apps on your Samsung Galaxy smartphones. The best is toimmediately uninstall or disable the apps you don’t use or need on yourdevice. If you still want to keep them, move to the next step.

11. Lower down the resolution


Samsung Galaxy S9 and S9+ support WQHD+ resolution, but by default, thedisplay settings are set to a lower, FHD+ resolution. If you’ve changed thedisplay settings to a higher resolution, revert them back to the lower, FHD+or HD+ resolution to extend the battery life of your phone.The higher resolution can actually be the underlying cause of the batterydrain issues. This is because more pixels consume more power and it’sburdensome for the battery. Moreover, some apps draw extra power to displayhigh-resolution elements. In the long run, using a higher resolution canadversely impact the overall battery life of your phone.Also read: How to use your Android phone as a webcam

15. Set up Power Saving mode


If you’re in a situation where you badly want to extend the battery life ofyour S9 or S9 Plus so that you can use your phone a bit longer, the Powersaving mode is the solution. This feature will reduce the battery requirementsby slowing down the processor, dimming the brightness, and lowering down theresolution.Here’s how to set up Power Saving mode on your S9/S9+ smartphone: 1. Head to Settings 2. Tap Device Care > Battery 3. Select Power ModeYou get to choose from the 4 power-saving modes: 1. The Optimized power-saving mode will offer an ideal balance between performance and available battery life. 2. The Medium power-saving mode will slightly limit the speed of your processor, restrict the background data, and disable Always-on Display to extend the battery life so that you can use your phone a bit longer. 3. The Maximum power-saving mode offers great help in terrible situations when your phone’s battery is almost dying. It will restrict many functions, but you’ll be still able to make calls, send texts, and use certain apps. You might not be able to use everything on your phone, but you can easily survive morning to night, without worrying about charging your smartphone. 4. The Adaptive power-saving mode will automatically save battery life based on your usage patterns.

17. Factory Data Reset


If you’ve tried all the steps and nothing has worked for you, then you canresort to the Factory Data Reset option. Don’t jump directly to this step,first try out other steps that we’ve mentioned on our list, and if you stillstruggle with the same issues, go for the Factory Data Reset method. This willrestore your smartphone back to the default settings and delete all the storeddata, including media, downloaded apps, saved contacts, system and app data,and email accounts. Therefore, you must back up all the data before proceedingto the steps mentioned below. You can also use Samsung’s Smart Switch serviceto backup & restore your Galaxy smartphone’s data.How to do Factory Data Reset on S9 or S9 Plus smartphones? 1. Go to Settings 2. Tap General Management 3. Select Reset > Factory Data Reset 4. Tap Reset 5. Enter your PIN or Password 6. Tap Delete All

18. Battery replacement or get it checked at Samsung’s service center


Modern smartphones use Lithium-Ion batteries which decay as they age. Insimple terms, their battery capacity depletes overtime. If nothing has helpedyou fix the battery drain issues on your S9 or S9+ smartphone, it means thatthe battery has run its course. Hence, either the battery needs to be replacedor there’s a hardware fault on your device. In such cases, heading to theSamsung service center is the best option. Make sure you don’t fall for anycheaper alternatives and put your smartphone at a risk.That was all for our guide on how to fix Samsung S9/S9+ battery drain issues.We hope our guide has helped to get rid of such issues and improve the overallbattery life of your Samsung Galaxy S9 series smartphone.Don’t miss our guide on how to fix Wi-Fi issues on Galaxy S9.How to Stop Battery Drain on Android 11, 10, 9In this guide you won’t meet such “useful” tips as “use a power bank”, we willexplain how to configure your Android phone or tablet to preserve batterypower (and not to waste its charge in vain).

Decrease Brightness


Screen is in most cases number one battery consumer. You can even see it fromyour device’s battery usage details:Some people are confident that Adaptive Brightness also should be disabled topreserve the battery charge. We believe that this function can workdifferently in different devices.So you can try turning it off and on to check out how this feature affects thebattery on your particular device.Nobody will be able to tell you exactly whether it is worth disabling or notuntil you find it out yourself.

Use Battery Saving Mode


This will decrease the CPU frequency, disable haptic feedback.Battery Saving Mode and Adaptive battery are not the same and shouldn’t bemixed.Battery Saving Mode slows down the the Android device in whole and decreasesperformance of all apps altogether while Adaptive Battery serves toredistribute power between apps based on their importance to the user.Thus, it is reasonable to activate Battery Saving mode when you believe thatyour device is likely to get discharged before you reach the power outlet.

Be Cautious With Battery Optimizing Apps


There exist a lot of apps on the market that promise to fix your problemsrelated to battery charge in one tap. But the things are not that upbeat infact.You should know that the overwhelming majority of those “optimizers”,“boosters” and various task killers won’t help you at all. Many of them arejust fake utilities belonging to adware and make things even worse.If talk about really effective battery saving utilities, you can try Purifyand Greenify apps. We provide direct links to them on the Play Store.

Bad battery life


Some people report solid battery life, particularly with the larger GalaxyS9+, but the smaller phone leaves something to be desired for heavy smartphoneusers. No matter your situation, here’s how to get the most out of the batteryyou have: * Use Power saving mode. Turning it on from the notification shade quick settings or the Device maintenance settings, the “mid” Power saving mode will reduce your screen resolution, lower brightness and stop apps from waking up in the background. You shouldn’t use this mode all the time, but if you’re low on charge it can be a life saver. * You can find battery-intensive apps by going to Device maintenance and tapping on Battery usage to see what’s taken up the most power over the course of the day. If something’s out of the ordinary, keep an eye on it and see if it continues to cause problems. * Uninstall unused apps, as they may be waking up in the background and using battery without your knowledge. If you haven’t used an app in a while, there’s no need to keep it around when it could be using up your battery. * It may look really cool, but you can save lots of battery by turning off Always On Display. Go to Settings, Lock screen and security and tap the toggle next to Always On Display. A compromise can be to limit the hours it runs (via these settings), rather than having it on the whole day.

Software isn’t up to date


One of the biggest frustrations for Android fans is how slow Samsung can be atkeeping its software up to date, even on its most expensive and populardevices. You can always check for available over-the-air (OTA) updates bygoing to Software update in your settings — but just because you don’t get anupdate this way doesn’t mean there isn’t one available. You can updatemanually using Samsung’s Smart Switch desktop software — just install it,connect your phone and tell it to download updates automatically. Sometimesthe staggered OTA rollout schedule can put you late in the lineup, and you canget it faster by going through your computer.If you’ve attempted to update over the air and via your computer, and stilldon’t have the latest software, chances are it just hasn’t been released foryour phone yet. Remember that Samsung doesn’t release the same software updateto all models of its phones at the same time, and there can be differences inrelease timing between countries and even individual carriers. On top of that,Samsung rarely keeps up with monthly security patches, and often rolls upmultiple patches into just one update every few months.”

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