Can i get unlock code?
Also, can I get the latest at command together?
ATI
Quectel
RM520N-GL
Revision: RM520NGLAAR01A08M4G
OK
AT+QGMR
RM520NGLAAR01A08M4G_01.200.01.200
OK
AT+QADBKEY?
+QADBKEY: 31252859
thanks.
hello,here is the adb passcode, btw, the RM520N AT command manual has not released yet, thanks~
I can’t see the code.
Is it hidden? 
Dear @mansuiki
Currently, RM520N only have a preliminary document of AT commmand, just for reference.
I have sent to you via Message, please check.