Yeastar Password Reset

SCREWLOOSE IT technical document

1. Power on your MyPBX U520 device, with Putty connected to console (baud rate 57600) 2. As soon your device got power, press any key several times to interrupt the boot process of device and get to the u-boot prompt, in my case it was pbx300> 3. Enter the printenv command to get the u-boot constant values. 4. You should see […]