Which code do I need to enter the Field Test Mode? *#*#2846579159#*#* is the only way to force 4G...
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Hi,
type *#0228# and enter in monitor GSM
if you choose Back, your in the test mode
i hope it can be usefull
To access the hidden menu please dial: ##387
Then enter the SPC password which is 000000 (6 zero's)
click on verify
enter Next from the "call processing status screen"
Once at the HDR status screen hit Next
Once at the Field test screen go to Network Mode and choose your preferred Mode
Then press home key the phone will reboot and force the device to stay on that mode.
To turn off dial;
##387
on the field test screen just go back in and change the network mode back or to whatever you want
Once again hit home button and the phone will reboot.
no root required, enjoy! =)
Hello, i am unable to find 4g only mode in settings and *#*#4636#*#* code is also not opening phone testing mode.
Is there any way to switch to 4g only mode in emui?
Edit: just got the testing mode code, it's different *#*#6130#*#*, but i am unable to set any network mode in it.
Hello
I would like to acces to the Service Mode Menu :
I use *#0011# it works, but I can't launch the menu by typing Q and 0000
Do someone knows the new access codes ?
With *#2683662# I get a screen : MENU NOT EXIST
(I have a G960U)
Thanks for your help
I am trying to check if I can get into the main menu of the service mode
Tried *#0011#, I can get into this menu
but use below key input, does not direct me to the main menu:
menu+back
menu+key input +Q0
wait for 5~10s
Does not work for this model S20 ultra
Please help!