Cold Flash Procedure for MS450H

This procedure  is extracted and adpated from french MS450H forum:

• 1) Copy a named MS400_YYMMDD_0118.img image file to USB stick's root folder,  
• 2) Switch Off your device with the power bouton (remote or top of the device)       
• 3) Plug the USB stick in USB port located in the front of the device    
• 4) Hold the record bouton "O" which is located in front of the device  
• 5) Press the power bouton and keep it press until the "hello" message is displayed on the lcd screen  
• 6) The LG should reboot in IPL mode  
• 7) After a few seconds, the device is flashing your image and "UPDAT" message is displayed on the screen  
• 8) Flash operation takes between 2 and 3 minutes then "Ok" message is displayed on the lcd screen at the end  
• 9) Normally, the MS450H is rebooting automatically after 5 seconds  
• 10) Install back your MS450H (TV channel, network config, etc....)     

Note1: While flashing, only snow is displayed on your TV screen  

Note2: Do not switch-off the MS450H or unplug your USB stick while your device is updating its firmware

Note3: This operation erases all informations, you must have to save any data before starting the procedure