default username/password not working after firmware upgrade

[khalidnisar]

Create a config file MACaddress.cfg
insert the below lines in your .cfg files

#!version:1.0.0.1
security.user_password = admin:admin

install a TFTP server on your computer and put the file in the TFTP folder,
restart your phone while keeping the OK button pressed, on the configuration menu press ok to update.

Congratulations, your password is reset now. to admin admin

Regards,
Khalid