Huawei WiMAX CPE BM622i Downgrade Firmware

Go to "Start" then "Run" type this -> telnet 192.168.254.1

-------------------------------

-----Welcome to ATP Client------

-------------------------------

Login: wimax

Password:wimax820

ATP>cmd SetUserMode super
ATP>shell
/ # cd bin
/bin #
/bin # telnetd
/bin #
/bin # equipcmd setAssemblyenable
Enable assembly success/bin #
/bin #
/bin # equipcmd setserialnum 500810118xxxxxxx
Set sn success/bin #
/bin #
/bin # equipcmd setmacaddr 78:1D:BA:XXXXXX
Set HWaddr success/bin #
/bin #
/bin # equipcmd swversion display
software version: V100R001PHLC08B025
pcb version: 16843009
cfe version: BM622i
display version success/bin #
/bin # exit
ATP>logout
then reboot ur device

Another process

Login: wimax
Password:wimax820
ATP>cmd SetUserMode super
ATP>shell
/ # cd bin
/bin #
/bin # telnetd
/bin #
/bin # equipcmd setAssemblyenable
Enable assembly success/bin #
/bin #
/bin # equipcmd setserialnum 500810118xxxxxxx
Set sn success/bin #
/bin #
/bin # equipcmd setmacaddr 78:1D:BA:XXXXXX
Set HWaddr success/bin #
/bin #
/bin # equipcmd swversion display
software version: V100R001PHLC08B025
pcb version: 16843009
cfe version: BM622i
display version
success/bin #
/bin # exit
ATP>logout

then reboot ur device