How to Update CN900 Key programmer

CN900 car key programmer can copy 4C/4D/46/G chips, and can copy 4c chips directly, need to buy 46 decoder, 4d decoder and G decoder for other three kinds of chips. And the CN900 also can update online.

How to update CN900 Key programmer?

Step1. First keep CN900 in power and connect computer by USB cable

Step2. Open CN900 updater software and clickcn900-updater

After then click Connect.

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Step3. Click Update

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Step4. After you see computer screen appear those words inside the red line circle. Then please click CN900 Setup menu and click update button. After click the Update button then CN900 will update

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Step5. During CN900 update the computer and CN900’s screen will showing following photos:

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Step6. Press CN900 Setup button and press about button then can check CN900 version.

Before Update the version as follow:

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After update the version as follow:

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Step7. After update successful then under Special menu will becom 3 submenu. Showing as follow:
Before update the Special menu:

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After update the Special menu:

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Step8. Do not put any chip in CN900 testing hole then Click Generate code will show you following information:

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CN900 update successful!

This is from Carkeydeal: Best car key tools for sale website Key Copy Machine technical support: How to Update the CN900 Key Programmer