Iap4e.bin file
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When upgrading 1.19 -> 1.19.2 as per this page
https://github.com/dc42/RepRapFirmware/releases
noticed there's a new iap4e.bin file
Is this linked to the WifiFirmware or to the WifiServer file ?
(In other words should it be uploaded first in Step 1 or Step 2 of the upgrade process?
And, by the way, what does it do / contain / stand for?
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OK I found the answer
iap4e.bin is a helper file used to install new main firmware.
on the super useful page https://duet3d.com/wiki/SD_card_folder_structure
Therefore if it was indeed a new 1.19.2 iap4e.bin file then I should have installed it before doing the WifFiFirmware upgrade (step 1).
I didn't do this. So was, in a sense, lucky it worked.
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I ran into this issue too. It was not mentioned in the firmware update instructions, but I needed to download the file, and put it in the sys folder for the 1.19.2 update to work.
