Samsung Galaxy A16 5G Battery Drain Fix After Installing Updateâ Experiencing battery drain issues after updating your Samsung Galaxy A16 5G? Youâre not alone. Many users encounter this problem, which can be frustrating, especially when youâre used to relying on your phone throughout the day. But donât worryâyou can try several effective methods to fix this issue. From optimizing your phone settings to updating apps, these solutions can help conserve battery life and improve your phoneâs overall performance. Following the steps outlined below, you can tackle the battery drain problem and enjoy a longer-lasting Samsung Galaxy A16 5G. Letâs dive into these practical tips and tricks to get your battery back on track.
Why does the Samsung Galaxy A16 5G battery drain happen after the update?
However, before we continue, you may want to know a few things about Samsung and its regular OS updaBattery, the Galaxy series mobiles, and the flagship-level series. Samsung has rolled out an OTA update for these models to fix the various bugs reported by users. However, while this update is supposed to fix the previous bugs experienced by the users of these Samsung device models, it also tends to come with a bug that makes the devices consume a lot of Battery. Not all Galaxy mobile users reported this battery drain issue, anyway. But if youâre among the affected users, we have a solution.
However, this battery drain issue seems to be associated with Galaxy devices running on One UI. Nevertheless, we have a couple of solutions, none of which is hard to practice.
After installing the update, how can I fix battery drain issues on my Samsung Galaxy A16 5G (SM-A166P/DS)?
Whenever a successor version of Android is released, it always focuses on Battery improvement. We often notice battery drain issues after the latest security patch update or significant upgrades. But sometimes, due to some battery glitch, it can happen on the opposite side. You can use the below-fixed methods when facing the battery drain issue in your Samsung Galaxy A16 5G.
1. Install the latest software
You may need to check for a newer software update available for your device. To do so, follow the steps below. The bug causing your Galaxy device to consume a lot of Battery has likely been fixed in a newer software version, so you should upgrade to the most recent version of your device. It is wise to take a complete backup before updating your mobile.
-
Go to your mobile device settings.
-
Scroll down to the About Section and click on the âSoftware updateâ option
-
Tap the âDownload and installâ option
-
Wait for the search to complete to see if any batteries are available.
-
If thereâs an updated version, click the downloaBatteryn to update your device software.
However, if there is no more original version, kindly try other solutions below.
2. Sleep most power-consuming apps
It may bring an end to this issue. It turns off most auto-run and irrelevant apps that run in the background and drain your battery quicker. The option to sleeBatterye apps that make more use of your Battery is also available in the device care option. Follow the steps below to sleep most apps on your Galaxy device running on One UI.
-
Go to your settings and select the âDevice Careâ option.
-
Look at the bottom; many icons are available; click the âBatteryâ icon.
-
Youâll see all the apps draining your Battery.
-
Click on them one after the other and toggle the switch beside âPut app to sleepâ to be active.
-
It will prevent the app from running in the background, and We can improve your battery life.
You can even choose to uninstall the app if it is not essential. Finally, you may change the Power Mode to âHigh Power Saving Mode.â Click on the âMoreâ icon to access more battery optimization options.
3. Auto Optimization
Auto-optimizing your device battery performance is a feature built into Samsungâs new devices that allows you to delete cache files, stop irrelevant processes in the background, and drain your device battery. It is one of the best ways to solve this battery drain issue. In some cases, optimizing the battery performance will help make everything function as it should.
-
Go to your Samsung Galaxy A16 5G device settings.
-
Scroll down until you see the Device Care option; click on Device Care.
-
Click oBatteryhree-dotted vertical lines at the top right corner and select âAuto-optimization.â
-
Set the time when the auto-optimization should always run.
You may need to set a time that you donât often use your device, maybe during the night battery4. Natural Battery Calibration
Generally, most mobile phone battery issues are caused by recalibrating the Battery. This action is simple but takes a long time, and it is the best solution to fix battery drain issues on Galaxy Batteries running on One UI. Follow the steps below to recalibrate your Samsung Galaxy device battery.
-
Use the Battery until it drains completely. Ensure you use the device until the BatBatteryts are 0% and power off. Do not attempt to charge the Battery during this period; ignore the low battery warning and drain the Battery completely.
-
Once the device powers off by itself, charge it back to 10Batterydo. Please do not attempt to boot the device or remove the charger until it reaches 100%.
Repeat the two steps: drain the Battery and charge it back to 100%
This process requires a steady power supply as the device is not supposed to be unplugged during the charge period until it reaches 100%.
After doing this two consecutive times, your Battery will be recalibrated, which might resolve the issues youâve been facing for a long time.
5. Recalibrate your Battery using USSD codes to deal with the Samsung Galaxy A16 5G battery drain issue
-
Launch your device dialer and dial this code â *#0228#
-
Follow on-screen Instructions
-
Restart the device
6. Diagnose apps using Safe Mode
Safe Mode allows us to turn off third-party apps. When you donât face any issues in Safe Mode, the problem with the battery drain is caused by non-system apps. So, you have to find which app to remove. Start with the last installed app. You can boot your mobile into Safe Mode by pressing the Volume Down power button. The combination may vary depending on the manufacturer. Even in safe Mode, you must try other methods if you face a problem.
7. Clear partition cache
Another solution is to clear the cache. When caches build up on mobile phones, they can cause malfunctions. Thus, clearing all the caches on your device may help fix your battery issue.
-
Before going to this option, take a complete backup. Start by powering off the device.
-
Press the Volume Up, Volume Down, and Power keys to boot into Samsung Galaxy A16 5G recovery mode.
-
Use the volume keys to navigate and the Power key to launch an option; select âclean cache partition.â
-
Ignore the warning message that will appear on your screen and continue
-
Restart the device after these processes.
8. Disable unwanted apps using ADB to fix the Samsung Galaxy A16 5GÂ battery drain issue
You can often disable/remove bloatware apps using Stock Android phones. However, if you use a Custom Skin OS, the chances of injuring the Bloatware apps are lower. However, we can Disable the Apps using ADB without root. The methods may vary depending on the manufacturer. You have to find the particular Bloatware apps and disable them. I will give the overall idea about ADB steps and commands. However, the list of packages may vary depending on the manufacturer.
- Download the ADB drivers. Install it on your PC.
- Enable USB Debugging Mode and OEM Unlock; youâll find these options in Settings >>> Developer options. If you didnât see the developer options on your settings menu, go to about >>> build number. Click on the âBuild Numberâ row about ten times regularly to activate the âDeveloper Optionâ on your device.
- Connect your mobile with a PC and unlock your mobile (Screen Lock).
- Open a command prompt as Administrator and type below to check the ADB status.
- adb devices
- The above command will display some code for device detection. If you havenât received any response, check with the USB cable. If you get a response, move to the below commands.
- You can turn off the apps based on their adb package names. The command below will give you the package names.
- adb shell pm list packages
- You can exclude unwanted apps based on their title. After that, use the am force-stop and pm turn-off commands with the Application package name.
- You can enter the commands individually or all commands by hitting Enter. You can get the application package name in the lay Store URL. It will start with com. I Instagram. Android like that.
- am force-stop package name(e.g: com.sprint.w.installer)
   pm disable-user package name
- Restart your mobile when again stuck on your Samsung Galaxy A16 5G mobile boot logon and move to different methods.
9. Reset Your Mobile
Take a complete backup of your mobile. You can do a soft or hard reset. If you follow all the methods and still face issues, you can reset your Samsung Galaxy A16 5G. To reset your mobile, Go to settings> System>Reset Options> Reset app preferences/ Factory Reset.
- Soft Reset/App Preference Resetâ This option will remove all the custom settings we made and return to the default settings. It will not delete user data.
- Hard Reset/Factory ResetâThis will remove all user data. Your mobile OS will become new, like when you purchased it, and you must set everything up from the beginning.
You can also use your mobile recovery to reset when you canât boot into your Mobile OS.
9.1 Stock Recovery Method
- Switch off your device. This will boot your mobile into Recovery mode. To do this, press and hold down the Volume Up + Power buttons simultaneously for some time. Then, enter Stock Recovery mode.
- If you donât use Rooted mobiles, you have Stock Recovery, which your official mobile manufacturer usually provides. If you have stock recovery, you have the direct option of âWipe Data/Factory Reset.â Navigate to this option and confirm it using the power key button. Remember, I will delete all our mobile data. So, backup first before the process.
9.2 TWRP Recovery Method
When using Rooted mobiles, you use Stock Recovery or TWRP custom recovery. If you have Stock Recovery, you can use the above process. When you install TWRP on your mobile, follow the steps below.
- The Key combinations will boot your mobile into TWRP Recovery mode.
- On the Home screen, you can find the option âWipe.â Select the wipe option; you will receive further details. Select âDalvik, Data, and Internal Storage.â Donât select System; it will wipe your OS. After selecting other choices, swipe to erase the data. When the process is complete, return home and boot into the OS.
10. Flash Complete Firmware using ODIN
We will launch firmware in your Samsung Galaxy A16 5G mobileâs boot logo. It is a data-loss process. So when you donât have any choice and none of the above methods work for you, you can use them. Refer to Flash Samsung Galaxy A16 5G Firmware using ODIN.
Wrap Up
People always face this kind of battery issue after the software update. Even if the software update process looks simple, 5-10% of people always face problems making OTA updates. Thatâs why we suggest you always back up before updating your mobile. Always use cloud photo backup services like Google Photos. Compared with other mobile manufacturers, with the help of Samsungâs available tools, we can fix your Samsung Galaxy A16 5G battery drain issue.
If you are facing freeze and unresponsive issues on your mobile, You should try different methods than those mentioned above. Ensuring your previous energy savings options are turned on after the update is always wise. Based on your available storage and app size, battery usage may vary. When you are confident that the settings are perfect for battery optimization, you can follow the above steps to fix your mobile. Comment below when you try methods different from the ones above, and let us know if those techniques help you. We try to add if those methods work for everyone.
Ask Follow-up Question from this topic With Google Gemini: Samsung Galaxy A16 5G Battery Drain Fix After Installing Update

Selva Ganesh is the Chief Editor of this blog. A Computer Science Engineer by qualification, he is an experienced Android Developer and a professional blogger with over 10 years of industry expertise. He has completed multiple courses under the Google News Initiative, further strengthening his skills in digital journalism and content accuracy. Selva also runs Android Infotech, a widely recognized platform known for providing in-depth, solution-oriented articles that help users around the globe resolve their Android-related issues.
Leave a Reply