How to Solve 2020.03 MB SD C4 Plus WIFI Connection Problem

Customer problem: When I run 2020.03 MB SD C4 Plus software, an error message pops up with the words “Register/Configure (2138) The key is not divisible by 2 and therefore not hexadecimal”.

MB SD C4 Plus

MB SD C4 Plus

Cardiagtool.co.uk engineer replied:

1.Please remove the tick of WLAN parameters, workshop
2.Change the key number to 26 lowercase letters: a

MB SD C4 Plus

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