Notes

1. Clean the fingerprint sensor
-Make sure the sensor is dry and doesn't have oil stain or any liquid on it -Thoroughly clean the sensor with a cloth -Check if the protective plastic over the sensor is present, if yes, remove it.
2.[Oreo] Add/ Remove Fingerprint

Click on the URLs in each step
Remove Fingerprint: -Pull down the notification panel and open settings -Tap Security & location and then choose Fingerprint (Pixel Imprint on Pixel devices) -Delete all fingerprints listed here and confirm by tapping Yes, remove Add Fingerprint: -Pull down the notification panel and open settings -Tap Security & location and then choose Fingerprint (Pixel Imprint on Pixel devices) -Tap Add fingerprint-While on this screen, place your finger on the fingerprint sensor multiple times -Tap Done or you may choose to add another finger
3.] Reboot into safe mode

Click on the URLs in each step to view the screenshot
-Press and hold the power button -Tap and hold the Power off option -On the confirmation pop-up, tap OK -The phone should now reboot into safe mode. This can be confirmed by the safe mode icon at the bottom left corner. -Now, please check if the device has the same issue. -Eg: If a particular app wasn't working correctly, open the app to check functionality. -Just reboot normally to exit safe mode.
4.] Uninstall recently installed apps
-If the issue goes away in safe mode, a recently installed app is most likely causing the issue. -Restart your device to exit safe mode. -Uninstall recently downloaded apps one by one to see if you can find the app that's causing issues. (see steps below) -Once you remove the app that's causing the problem, you can reinstall the other apps you removed during the test.


WARNING: Inform you that uninstalling an app may cause app data such as game levels, saved passwords etc. to be lost.


Click on the URLs in each step
- Swipe up to open the App drawer -Tap and hold the app you want to uninstall (In this example, it's Flipkart) -While continuing to hold the app icon, drag it to the Uninstall option at the top of the screen -Tap OK to confirm the uninstallation -Once done, you will see a confirmation
5. Check for an OTA update

Things to remember before the update:
-Make sure you will connected to WiFi. (If Wi-Fi issue, you may have to use the mobile data) -Make sure the battery is charged above 50% or is connected to the charger during the update
Ask you to backup any important data, if required.
Click on the URLs in each step -Pull down the notification panel and tap settings -Scroll down and tap System -Tap System update and then tap Check for update -If an update is available, tap download and install

If an update is not available, the device will show you that the current software is up-to-date
6.] Perform a Factory Reset

WARNING -Inform the you about data loss.
-If required, have you backup data. -Make sure the battery is sufficiently charged.
If applicable, remove the SD Card from the device to prevent accidental formatting while resetting. Click on the URLs in each step
-Pull down the notification panel and tap settings -Scroll down and choose System -Tap Erase all data (factory reset) -Tap Reset Phone -Tap Erase Everything to initiate the factory reset.


Note: During setup after the reset, please make sure that you doesn't restore the settings. Inform you to set up as a new device. (Some Settings or Apps might be the root cause of the actual issue).

Also, request you not to install apps from unknown sources like third-party websites or through SHAREit. Apps must be downloaded only from the Google Play Store.
If issue remains please write back to us within 72 hours.
Hope this helps.