Fingerprint sensor

[ckpogimaster]

What causes the fingerprint to get black on samsung galaxy s9 plus?

[butete]

could be "nabakbak" paint

[TeamGalaxyRene]

Hello ckpogimaster,

Thanks for reaching out to us here in order to find out what causes the fingerprint on your well-loved Samsung Galaxy S9+ to turn black. 

Before you try out the recommendations below, be sure to check if your device's software and related apps are updated to the latest version. To update your mobile device's software, follow these steps:

Step 1. Go to Settings > Software update.

Step 2. Tap on Download and install.

Step 3. Follow the on-screen instructions.

Step 4. Restart your device.

Your device has sensor features that include a rear-mounted fingerprint reader. You may check, inspect, and clean it with the tip of cotton buds if there's visible dirt or any object obstructing the back lens. 

If that doesn't work, please submit an error report through Samsung Members app as follows:

Step 1. Long press Samsung Members icon on Apps screen and tap Error reports.

Step 2. Tap OK on agreement popup to send system log data.

Step 3. Select Symptom category "Sensor/Touch".

Step 4. Describe the problem in details and SEND.

How to submit an error report on Samsung Members app? | Samsung PH

If the problem persists, please bring your device immediately to the nearest Samsung Authorized Service Center in your area.

https://www.samsung.com/ph/support/  

For more help and assistance, you may contact us on our online Samsung Customer Care support channels below.

https://samsung-livechat.sprinklr.com/seao/ph/index.html 

https://www.samsung.com/ph/support/contact/#onlinesupport 

Or our Samsung Customer Care direct hotline numbers below.

#GALAXY or #425299 [Mobile Phones & Tablets]

Available 24/7

1-800-10-7267864 [All Product, Toll Free, PLDT]

1-800-8-7267864 [All Product, Toll Free, Globe]

842 221 11 [All Product, Landline]

Daily (8:00am to 8:00pm)

Let us know if you've found a solution by tapping "Accept as Solution" on the answer you like!

Stay safe and have a nice day ahead! Thank you for contacting Samsung.