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Hardware /WIFI /BT Error appears on the screen when I plug in the product?

October 18, 2022 1 min read

This method is applicable to the CarlinKit 3.0/4.0/CP2A/U2Wseries.

This error message appears, indicating that you need to upgrade the firmware. You can try the following steps to resolve the issue:

1. Connect to the product's WiFi network (WiFi name: autokit ****, or named after your car brand) using the password 12345678.
2. Open the web browser on your mobile phone and enter the address
3. Attempt to upgrade the firmware online, or perform a fallback or reset of the firmware to see if it resolves the issue.
4. If the online upgrade doesn't solve the problem, you can try using a USB flash drive to perform the firmware upgrade.

CarlinKit 3.0/4.0/CP2A/U2W seriesFirmware upgrade video tutorial using USB stick


Please contact our technical support(support@carlinkitcarplay.com) to get CarlinKit 3.0/4.0/CP2A/U2W series Firmware.

Text version

1, prepare a 32G or less USB flash drive
2, first format the U disk to FAT32
3, put the firmware into the U disk (U disk can only have a file "U2AW_AUTOKIT_Update.img")
4, find a plug to power up the product, and then plug the U disk into the box USB port to upgrade
5, upgrade when there are red and green lights flashing, do not power off, wait until only the red light is on, and then wait 3 minutes to unplug.

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