How To Fix Slow Response On Oneplus 9/9R/9 Pro [Troubleshoot Lag Or Slow Performance]

It would be really annoying to see slow performance after you invest a big chunk of your savings in a flagship smartphone. If you see the specs sheet of flagship series like the OnePlus 9 then slow performance issues are the last thing you expect. If you are still getting these issues, I can help you to fix the slow response on the OnePlus 9/9R/9 Pro.

In this article, I am going to show you some simple steps you can take to fix slow response on the OnePlus 9/9R/9 Pro.

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As mentioned earlier, the OnePlus 9 series is loaded with all the top-notch hardware that you would need for optimum performance. So if you are getting slow performance, the hardware does not really have anything to do with it. There might be some software problem or some other problem that you can easily fix. My solutions will help you to fix the slow response on OnePlus 9/9R/9 Pro so make sure to try all of them.

Content Table

Fix Slow Response on OnePlus 9/9R/9 Pro

By Restarting Your Device

Restarting your device before trying any other method to fix the slow response on OnePlus 9/9R/9 Pro is the thing that you should do. It is the ultimate solution for all the problems on your device.

I am assuming that everyone owning a OnePlus 9 series flagship knows how to restart their smartphones. Just long-press the power button and you will see the restart option. If you are unable to tap on the restart button, you can do a forced reboot. To do it:

Press and hold the Power and Volume buttons at the same time.
Now hold the Power button for about 15 seconds and you will hear the phone vibrate.

Now your device will restart on your own. If it doesn’t, you can just turn it on by pressing the Power button for about 2 seconds or so.

By Checking for Internal Storage

Usually, you expect your smartphone to work efficiently even if its internal storage is full. This is not really the case with Android smartphones, unfortunately. When you fill up your internal storage above 80%, you might start to notice a slow response. To fix the slow response on the OnePlus 9/9R/9 Pro, you can check the storage of your device from the settings and make sure that it is below not used completely. You can always take backup of photos on your drive and you can take backup of the videos on your computer/laptop.

By Clearing Cache from Recovery Mode

You can fix a lot of problems by clearing cache from Recovery Mode. Here is how you can do it:

Switch off your OnePlus 9/9R/9 Pro.
Now press and hold the Power button and the Volume Down button at the same time until you see the recovery mode options on your device.
When you see the recovery options, you can take your hands off the two buttons.
Now you will see the Recovery menu.
You have to use the Volume button to go to ‘Wipe Cache Partition’.
Press the Power button to confirm the selection.

Now let the process complete and once it is done you can turn on the device by pressing the Power button.

By Resetting the App Preferences

You see, oftentimes there is some software conflict that can cause overheating issues and by resetting the app preferences, all the apps will restore to their original settings. Here is how to do it:

Go to the ‘Settings’.
Navigate to ‘System’.
Tap on ‘Reset options’.
Tap on ‘Reset app preferences. Finally, tap on ‘Reset apps’.

That’s it and this will reset your app preferences. It will not clear any personal data. However, it will reset app notifications, default apps, VPN configurations, app permissions, clear all paired devices, remove all WiFi passwords, etc.

By Checking for Faulty Apps

If there is some app that is causing slow performance issues on your device, chances are that it is also draining a lot of battery from your smartphone. You can check the battery usage in-depth by apps. Just go to the ‘Settings’, navigate to ‘Battery’, and tap on ‘View detailed usage’. Do this by the end of the day and see what apps are draining the most battery. Normally it is the OnePlus Launcher that uses the most battery and other apps will use about 2-3% of battery if they are not graphic heavy. So if you see an unusual app here, it is time to uninstall it.

By Troubleshooting Apps in Safe Mode

Safe Mode disables all the third-party apps on your smartphone temporarily. By doing this, you can detect the apps that could be causing problems. Here is how to turn on Safe mode:

Press and hold the power button on your OnePlus 9/9R/9 Pro.
Now hold ‘Power off’ on your screen.
You will now see the option to boot your device in safe mode, tap OK to reboot into Safe mode.

Now you can easily see which of the apps were creating the problems. In case you find any app that was causing the issue, you can uninstall it and that shall fix the issue for you.

By Resetting Your Phone

This is the last option that you can try from your side. It will reset your phone and clear it out of any data. Make sure that you take a backup of all of your data before doing this. Here is how to do it:

Go to the ‘Settings’.
Navigate to ‘System’.
Tap on ‘Reset options’.
Tap on ‘Erase all data(factory reset).
Finally, tap on ‘Erase all data’ to confirm the reset.

Conclusion

So that was all about how to fix the slow response on the OnePlus 9/9R/9 Pro. If the above methods do not work for you, it is probable that your device might have some faulty hardware. In that case, you should reach out to the nearest OnePlus Support Center for help.

How to Fix Overheating Issues on OnePlus 9/9R/9 Pro
How to Fix Frequent Screen Flickering on OnePlus 9/9R/9 Pro
How to Fix if Fingerprint Scanner Not Working or Not Detecting on OnePlus 9/9R/9 Pro

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Fingerprint Scanner Not Working or Not Detecting on OnePlus 9 - 4

The OnePlus 9 series has its fingerprint scanners placed way more down on the display and they are harder to reach. There are always some issues with the in-display fingerprint scanners. If you are facing fingerprint scanner not working issues on your OnePlus 9/9R/9 Pro, this is the right article for you as I have can help you to fix the fingerprint scanner not working or not detecting on OnePlus 9/9R/9 Pro.

In this article, I am going to show you how to fix the fingerprint scanner not working or not detecting on OnePlus 9/9R/9 Pro using some simple steps and methods.

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If you ask me, I have never really been a fan of in-display fingerprint scanners because, to be honest, they are actually a downgrade from a physical fingerprint reader. How? Well, they are a little slower and more unreliable than a physical fingerprint reader. But that seems to be the new “trend” as it allows the smartphone manufacturers to give more stunning designs on their smartphones.

Before we go straight in to the fixes, here are some of the potential reasons for why your OnePlus 9/9R/9 Pro’s fingerprint scanner isn’t working or detecting your fingerprint:

You are using the wrong finger.
Your fingers are dirty, cut, or wrinkled.
Your fingers are wet
Some software issue
Issues with the sensor.

OnePlus 9

Content Table

Fix if Fingerprint Scanner Not Working or Not Detecting on OnePlus 9/9R/9 Pro

By Cleaning Your Screen

The in-display fingerprint sensor is an optical sensor that takes photos of your fingerprint. So if the screen is dirty, it will be hard for it to detect your fingerprint. To fix the fingerprint scanner not working or not detecting on the OnePlus 9/9R/9 Pro, you should clean your screen with a soft cloth and use an alcohol-based cleaner to wipe off any dirt.

Replace Your Screen Protector

As mentioned above, the in-display fingerprint scanner reads your fingerprint through the display. A lot of users apply screen protectors on their smartphones and it is good for the protection of the screen. But what generally happens is that the screen protector collects a lot of scratches over time. These can create a problem and a lot of screen protectors also hinder the screen sensitivity causing the issue. So try replacing your screen protector and use a good quality one.

Add New Fingerprints and Remove The Older Ones

Over fingerprints change with time and there can be many reasons for it like the climate around us and seasons. So you should add your new fingerprints and remove the older ones occasionally to fix the fingerprint scanner not working or not detecting on the OnePlus 9/9R/9 Pro. Do note that you should clean your fingers and device’s display properly before doing so.

Here is how to remove your old fingerprints:

Go to Settings.
Navigate to Security and lock screen.
Now tap on Fingerprint Unlock.
You will have to type in PIN, Password, or Pattern if prompted.
Now you will see the delete icon right across the fingerprint(s) you have registered, tap on it.
Select Yes and Remove to confirm.

To add new fingerprints, follow these steps:

Go to Settings.
Navigate to Security and lock screen.
Now tap on Fingerprint Unlock.
You will have to type in PIN, Password, or Pattern if prompted.
Tap on Add Fingerprint, You will have to type in PIN, Password, or Pattern if prompted.
Now follow the on-screen instructions to add the fingerprints.
Finally, tap on Done. You can also tap on Add Another if you wish to add more fingerprints.

Check for Hardware Problem and Then Proceed

You can perform a fingerprint test and check if it’s a hardware issue or not on your OnePlus 9/9R/9 Pro. To do it:

Dial *#808# and go to the fingerprint test and you can do a fingerprint auto-test.

If your device passes the test, then it is not a hardware issue but the software is having trouble reading it. You can reboot your device into safe mode and see if the sensor is working properly or not. Here is how to boot your device into safe mode:

Press and hold the power button on your OnePlus 9/9R/9 Pro.
Now hold ‘Power off’ on your screen.
You will now see the option to boot your device in safe mode, tap OK to reboot into Safe mode.

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Once you are in safe mode and your fingerprint sensor is working properly then it is some app that is giving problems. Now what you can do is, see all the apps that ask for fingerprint permissions and uninstall them.