Huawei P8 max - How to fix touchscreen sensitivity issues

Phone: Huawei P8 max
Factory OS: Android 6.0 (Marshmallow)
Have you updated your Operating System?
Then view tips for the most recent OS version(s): Android 9 (Pie) & Android 8 (Oreo)
Or view tips for all Android versions
Factory OS: Android 6.0 (Marshmallow)
Have you updated your Operating System?
Then view tips for the most recent OS version(s): Android 9 (Pie) & Android 8 (Oreo)
Or view tips for all Android versions
How to fix touchscreen sensitivity issues
To fix touchscreen sensitivity issues, follow these:
1. On your dialer, dial *#2663#. This will bring up a menu.
2. Bring up dialer and dial *#2663# to bring up a menu
3. On that menu, tap the button that says ?TSP FW update (general)?
4. Once you press that, a pop-up will appear saying ?Updating, do not turn off.? Just wait for it to finish updating.
5. A message saying ?update complete: pass? should appear once update is complete.
6. Exit the menu by pressing the back button and try out your device. It should be fixed now.