On Elias’s handheld terminal, a progress bar appeared: INSTALLING FIRMWARE 3RT841B...

If you're using the 3RT841B with a or S7-1500 , make sure your TIA Portal hardware support pack is at least HSP 0478; otherwise, the new firmware revision may not be recognized.

Diagram (conceptual):

Insert the prepared USB drive into the TV's (usually marked in black or yellow).

3rt841b firmware

Firmware: 3rt841b

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