Update of SD C4 firmware

[luckyluke]

Hello.
I have mine C4 for few years now and I was wonder If its compulsory to update firmware of it ?
I have 12/2022 Xentry installed and people say that it need to be updated as it might not work with newer xentry.

True or not.Leave it as it is ?

Thanks
Lucas

[W211]

Update fw. The fw in the update has been available since 2016 +- but its implemented now! My c4 had this fw for many years and was working all good

[luckyluke]

Update fw. The fw in the update has been available since 2016 +- but its implemented now! My c4 had this fw for many years and was working all good

Its not like i have to however if you say to update FW then i will.

Do i have to connect it to my car while doing update ?

Is this the correct way to update firmware : 02_CSD_2_12.zip, 01_Bootimage_2_3.zip and last 03 PMpic29_Cpld13.zip

Never did that before.

[W211]

either you need 6 batteryes and c4 connected or tweak a file so you can update without batteries. but c4 must be connected to 12v source!

[luckyluke]

Can you answer my question?

Is this the correct way to update firmware : 02_CSD_2_12.zip, 01_Bootimage_2_3.zip and last 03 PMpic29_Cpld13.zip

[W211]

check what your c4 have forst inside before updating all the files above!!

[luckyluke]

check what your c4 have forst inside before updating all the files above!!

I can't update mux as it show me error 646 - low voltage.I am charging rechargable batteries so it would be on full.

Changed toolkit.ini file so it would not show me this error but it still does.

these files are the correct files i have in my mux.