When I dial *#2663# nothing we'll appear how to fix it???

[Anonymous]

???

[Kisuke_Urahara]

What is it for? Is it for troubleshooting?

[Anonymous]

No I just want to fix my multi touch I can't play my codm on 4 claw 😠

[Kisuke_Urahara]

Try to turn on Higher screen sensitivity in the settings, it works for screens that are not that sensitive due to screen protectors.

[TeamGalaxyRene]

Thanks, VincentDyn, for your inquiry here.

There's another way to check your touch screen through Self-Diagnostic check here on Samsung Members app.

Before you try 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.

Self-Diagnostic check on the Samsung Members app.

Check the status of your device with the Samsung Members app Diagnostic tool. You can select the individual categories you would like to diagnose or run a complete diagnostic check. After the diagnostic is completed, you can select the corresponding icon to see the results and status of your device. Follow the steps below to start your diagnostic check. 

Step 1. Run Samsung Members and select Get help on the lower half of the screen.

Step 2. Tap View tests located under Diagnostics

Step 3. Tap "Touch screen" to run through the Diagnostics check.

Step 4. Your Galaxy phone will then run through the checks.

Step 5. Follow the on-screen instructions to complete the check.

Step 6. For individual diagnostic checks, you can view your results after the check is complete.

https://www.samsung.com/sg/support/mobile-devices/how-to-use-diagnostics-in-the-samsung-members-app-...

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

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

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

Or contact our Samsung 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)

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

https://www.samsung.com/ph/support/service-center/

Hope this content is helpful and your device's problem gets solved.