Haier LET32/40T900 Service Manual page 71

3.2 Check the F/W version on the second row of the factory mode info. If F/W version is incorrect, please
check the version of F/W in your USB memory, else let's go to Step 3.3.
Figure 3.2
3.3 If F/W version is correct, press 'BACK' Key on the Remote control to be off factory mode.
BACK
Figure 3.3
3.4 Do factory reset in user menu, and restart TV.
DDC Upgrade
As the DDC data were included in the software, this model do not need a separate DDC upgrade.
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