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Samsung Galaxy Note 9 has become one of the outstanding smartphones in the market, due to it’s features;
- 6.4 inch Super AMOLED display.
- Dual 12MP rear cameras.
- Snapdragon 845 processor
- 8GB of RAM
But this outstanding performing device can have some issues sometimes. On this article we are going to address how to troubleshoot the Galaxy Note 9 iris scanner not working after software update issue.
- First step to do if your iris scanner is not working properly is to make sure that it is running on the latest software update available. (You might experience some kind of glitch in your iris scanner when it is not working properly)
- If an update is available then I suggest that you download and install it first.
- Next step is to check weather the problem is due to a software glitch. Following are the steps to do this;
Step 1 : Setting up the iris scanner
- First Go to the Settings menu
- Tap Lock screen and security.
- Then tap on Iris Scanner.
- Tap Continue to set up iris security.
- Now you need to use iris recognition securely, to do this you need to set a Pattern, PIN, or password. Do the following steps next.
- Read the disclaimer then tap on OK to proceed.
- Choose to register only 1 iris, or tap on Continue to register both Irises.
- Follow the on screen prompts to register your irises.
- When the Iris registration is 100% complete, the screen will display Success.
- Finally tap on Done to complete the setup.
- Now check if the issue has resolved.
If these steps did not help, perform a soft reset;
A soft reset means a restart of a device. The action closes applications and clears any data in RAM (random access memory). Unsaved data in current use may be lost but data stored on the internal storage, applications and settings are not affected. This can fix minor software glitches which could cause issues such as iris scanner not working.
Step 2: Soft reset
Following are the steps of doing the soft reset.
- First press and hold the volume down button and don’t release it.
- Now press and hold the Power key while holding down the volume down button.
- Keep both keys held down together for 10 seconds or more.
- When the phone reboots check if the problem has resolved.
Step 3: Boot the device in the safe mode.
Safe mode is a great tool that allows you to figure out whether or not a third-party app is responsible for the problems you may be experiencing with your Galaxy Note 9. When you boot your device in safe mode, all third-party apps are disabled, while those that are pre-installed still work (YouTube, Gmail…). If the issue goes away while in safe mode, you can be sure that one of the third-party apps is responsible for it. If your device does solve the issue while in the safe mood then try uninstalling suspected apps individually, specially the ones which are recently installed and then test your device, Following are the steps to do that;
- First turn the device off.
- Then press and hold the Power key past the model name screen appearing on the screen.
- When SAMSUNG appears on the screen, release the Power key.
- Soon after releasing the Power key, press and hold the Volume down key.
- Continue to hold the Volume down key until the device finishes restarting.
- When Safe mode appears in the bottom left corner of the screen, release the Volume down key.
- If the problem has solved now, the problem might be due to a 3rd part app.
- Uninstall the suspected apps that may be causing the problem one by one specially the recently installed apps.
- After you uninstall an app, restart the phone to normal mode and check for the problem.
- If your Galaxy Note 9 is still problematic, repeat steps of uninstalling and restarting in normal mode.
Step 4: Wipe the cache partition of the phone
The cache is a temporary storage area in a device, which retains certain kinds of data. The aim of this is to speed up your device operates and reduce how much data is processed and consumed. Sometimes cache might be outdated or corrupted. This might cause issues with the iris scanner in Galaxy Note 9. When you clear an cached data, you remove the temporary files placed there.Before following the below steps be sure to back up data on your device’s internal memory Following are the steps to clear cache partition in your Galaxy Note 9;
- First turn off the phone.
- Then press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
- When the Android logo displays, release all three keys.
- Now an ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
- Press the Volume down key several times to highlight wipe cache partition.
- Then press Power key to select.
- Press the Volume down key to highlight yes, them and press the Power key to select.
- When the wipe cache partition is complete, Reboot system now is highlighted.
- Now press the Power key to restart the device.
- The cache partition has cleared in your phone,now check is the problem has resolved.
If the above steps did not work then do a factory reset to check if the problem is due to a software glitch.
Step 5: Do a factory reset.
Before doing this create a backup of your personal data if possible. Also remove your Google account if it allows you to do that. If not it is okay. Then follow the below steps to factory reset your Galaxy Note 9;
- First power off your Samsung Galaxy Note 9.
- Then press and then hold the Bixby button and Volume UP keys, while still pressing the Bixby button and Volume UP keys, press and hold the Power key. Once you press and hold the power key the phone will start to respond, But do not release the hold of any of the keys now.
- Then the green Android logo will display on the screen. On this time release keys.
- Then Android system recovery menu will open. This might open after displaying the message ” installing system update”. But it is just the first phase of the process.
- Then navigate through the options using the ‘volume down key’ and highlight the ‘wipe data / factory reset’ option. Then Press the power key to select ‘wipe data / factory reset’ option.
- Now you will be asked weather to delete all user data.For this highlight the option ‘Yes’ using the Volume Down key. Then press the Power button to select it.
- At this point the phone will do the Master Reset. Wait until this process finishes. After the process completes, highlight ‘Reboot system now’ with Volume Down key and press the Power key to select it.
- Now the factory resetting process is completed and your phone will reboot on this time.
- After completing Master Reset and rebooting your device, check weather the problem has solved. If this didn’t fix the problem then go to a technician to get the problem fixed because the problem might be due a hardware component.
Hope this article has helped you with the Galaxy Note 9 iris scanner not working after software update issue troubleshooting by yourself.