Formatting /mtd rwarea/

• Make Ex-Link Cable for C-Series and connect to TV
• Unplug all cables (Antenna, Lan cable, hard disks, USB...) leave only ExLink and Power cable.
• Enter commands following by Enter:

81588
20089999
2
0
0
2 (advanced)
2 (DeviceManager Debug)
90 (DeviceManager MW Debug)
12 (DLNA, FLASH, ODD, HDD, MoIP Test)
11 (FLASH, HDD Format Test)
10 (or another, /mtd_rwarea/ partition number (14)

On the last line you have to enter number of your /mtd_rwarea/. On C550 it is 10, but on other TV it can be other (e.g. 14)