Service ManualModel No.:2.2 then input SB press MEN 8893 and choose SW upgrade and then press Vol .2.3 Now you should choose Yes TV egin to update.You should reset TV after update.Note: When pgrade on the process please don t Power-OffHaier MST318 F/W upgrade with SB SOPStep 1: Ready for F/W pgrade1.1 Prepare a SB memory .1.2 Copy the software file(merg. in)from your computer to the SB memory and removeit from computer s SB portStep 2: F/W pgrade2.1 AC ON7-1 pgrade software- -7. o e o