How to obtain admin login password for my NetPlus F670L modem

[navdeep.d2]

The only logins I've is user:user but could you help me If there's any generic admin password, like there was admin:admin on fresh modems F670L. NetPlus has locked the modems. Modem details are as follows:

Model F670L
Hardware Version V1.1.01
Software Version V1.1.20P11N1B
Boot Loader Version V1.1.20P10N2

I also tried following methods, but no help.

C:\Temp\Unlock Modem ZTE\Unlock Modem ZTE 1\fmc.exe -l licnsefile open -i 192.168.1.1 -p 80 -u user -pw user

c:\Temp\ztelnet-main>factorymode_crack.exe -l xxx open -i 192.168.1.1 -u user -pw user
version:3.1
CheckLoginAuth.gch WebRecv Fail!
SendSq.gch WebRecv Fail!
Enter 192.168.1.1 Telnet FactoryMode Fail!

 

[ADi]

username - admin
password Web@0063