I found out this one.
Take out the sim card then connect the router to PC using micro usb.
Access 192.168.8.1 with
User name: admin
Password: admin
We can see the upgrade function. It means if we have the previous software version we can roll it back.
But, I think it is hard to have one since it is not public releasing.
Hello boss, baka po pwede pashare ng Configuration File mo po? try ko lang sana if pwede marecover yung modem ko nabrick kasi.
Naeexport po yung configuration file sa Config Managaement under Router.