Galaxy A70 Android 10, All dialer codes starting with *#*# do not work

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So every dialer code/hardware code I used to try, used to work, I’m certain.

Now I do a search and notice all of these format codes:

*#*#NUMERICCODE#*#*

NONE of them work, for example:
*#*#4636#*#* Phone info

*#*#526#*#* WLAN Test

*#*#232337#*# Displays Bluetooth device address.

But some (50%) of these work:
*#CODE#

to be sepcific, these are working:
*#06# IMEI
*#0228# Battery Status.
*#2263# RF Band selection

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I’m seeing a pattern. Of course codes meant for diff ROMs don’t work but I used to have a great list of working codes, in particular, the screen test code!!!

I used a variety of sources INCLUDING specific sites that list codes for Galaxy A70.

I need to test my screen. Does anyone know?

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