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? 
6qC5IxJkc/dvCAv
@mansuiki
Dear @mansuiki
Currently, RM520N only have a preliminary document of AT commmand, just for reference.
I have sent to you via Message, please check.
Hi,
Can you please provide the ADB Unlock key and a firmware upgrade for the modem (Windows+Linux)
AT+QADBKEY?
+QADBKEY: 63554869
hello， please check the adb passcode, thanks~
1RZuBEba/0N/ihr
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