How to update your mb sdconnect c4 firmware

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What to prepare before update:

double A battery 6pcs, laptop with sd c4 software installed, c4 main part, lan cable, obd cable

Step 1: input the double A battery 6pcs into the c4 multiplexer, like the picture showing

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Step 2: connect the sd c4 to your car, click the connection icon at the right-bottom of laptop, see the picture below:

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Open administration

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then update the bootimage 2_3zip and CSD_2_11 zip as the picture showing below:

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Notice: If you get this problem showing as blow when you open the administration, just need to restart your laptop, then the problem will be fixed.

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