problem

[alababbilal]

What is the problem with the codes not working? 

[salmanul]

Which phone are you using..?

[alababbilal]

not 20 ultra 5g

[salmanul]

Can you try *#*#88#*#* to perform diagnosis test

[alababbilal]

Once I enter the code, it disappears from the screen, and no options appear

[alababbilal]

Only one code works on the device is *#9900#

[salmanul]

Normally *#0*# working with samsung note 20 ultra

[salmanul]

If nothing worked restart your phone and dial again..pls let me know the status

[alababbilal]

I tried, but it didn't work. Options don't appear at all with this code *#*#88#*#* This code also doesn't work

[alababbilal]

phone me version