Technical Support and Information Inquiry


Screen appears Hardware/WIFI BT Error?

This method is applicable to
CarlinKit 3.0/4.0/CP2A/U2W series


This error message appears, you need to upgrade the firmware,You can try updating to a new version of firmware to see if this fixes the issues.


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


CarlinKit 3.0/4.0/CP2A/U2W series Firmware acquisition method


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.


If the problem persists after the upgrade, you can contact technical support by filling out the form at the bottom of the page.

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