[Topdonas1]

Do what sebastianfernandes wrote and 100% gonna work , FSTOOL is for E series not F
You can use both ICOM or K DCAN
If you dont know how to , use script with usb that intel123 made its easier
Because the problem of loading FSC with FSTOOL was solved so please ask something else

Don't get me wrong,but l'm here to learn,not to use easiest approach.

regards

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Yes l have all certificates from INTEL123's folder. Loded them in the order you suggested . The error still persists.

My bad mate. I've specified paths to certs but not stored them to CIC We all learning something new everyday l guess. I have stored certs on cic for 19 now and activated upgrade sometimes you have to repeat it because of error 2021. Does it matter if it finishes with error but after you repeat it finishes fine? GetStatus says:

FSC Status: loaded
Fscs Cert Status: loaded
Sig Cert Status: loaded
Root Cert Status: accepted
SW Signature Status: accepted
Do l need to do anything more or this is it for 19?