FAQ SD C4 Plus WIFI working Update with Without Battery

How to solve Chinese cloned SD Connect C4 DoIP : there is NO WiFi card inside, therefore wireless connection is not possible no ! There is NO 6 batteries holder/compartment no . Batteries are necessary for firmware upgrade if needed

In fact:
1. SD Connect C4 DOIP supports WIFI setting.ste
Take obdexpress.co.uk for example, the engineer made a operation guide on how to set SD Connect C4 DOIP WIFI on WIN10 & WIN7.

2.Mercedes Star Diagnostic SD connect C4 Plus firmware update does not require battery installation as the older sd c4.
Take this user’s feedback for example: I take a risk from here, only the battery pack is missing but work ok. I have it over an year and have no problems.

How to upgrade SD C4 Plus Xentry without battery?
1. Open DAS software, enter the folder “C:\programm files\SDconnect
Toolkit”, check if there are the following three folders: Update_automatic, Update_manual
; Update_Special.. As shown in the figure below. If the name is wrong, please correct it.


2. Reboot the computer.

3. Start to upgrade the SD C4 Plus firmware, please follow the procedure below:
1) Closing Xentry Diagnostics/Xentry DAS diagnostics application
When accessing a vehicle in Xentry Diagnostics or Xentry DAS, the following message appears:


Please exit the diagnostic application Xentry Diagnostics or Xentry DAS correctly and follow the next steps.

2) Connecting the SDconnect to the Star Diagnosis system
Connect the SDconnect to the Star Diagnosis system with the green LAN cable.
The SDconnect will be automatically selected and appear in the deskband on the Star Diagnosis system:


A) Start SDnetControl by clicking the deskband
Go to the “Connections” tab.
B)  Check whether automatic selection via the cable connection is active:


Go to the “Configuration” tab, and confirm the warning with “Yes”:

4). Software update
Go to the “MUX” tab in SDnetControl.
Click on the “Software update” button.


The “SDconnect Toolkit Administration” program will start.

Go to the “Software update” tab in the SDconnect Toolkit.
Your SDconnect is already selected on the left-hand side.
Select the “Software update” packet under “Files for software update”.
Click “Start” to start the process.


The update process will start. This takes approx. 4 minutes.

5) Complete the installation
Confirm the successful completion of the update.
After a successful update, a message indicating the successful update completion appears.
Confirm the message by clicking “OK”.


Update not successful
If the update was not successful, the message “The software update was aborted. Please repeat the update process” will appear.

Confirm this message by clicking “OK”. Check the SDconnect batteries if necessary and repeat the update process.


6) Check the installed software
Go to the “Information” tab in SDconnect Toolkit
Select your SDconnect on the left-hand side.
• Check the information under “Software versions” at the right:
The versions of the Linux OS and the CommandServer must be at least 2:0:xxxxxx.


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