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 Updated method:

If the H53 device you use fails to open, and always be at the logo interface.

Pls update the system program !!

1. Connect " KEY1"  or " KEY2 " to ground, then update it.

Here to download the updated firmware.

Here is updated video for your reference.

2. After updating,pls reboot the car radio. Here is video.

3. After a successful upgrade, files may be lost. Click here to download and install again.

 

 Updated method:

If the H53 device you use fails to open, and always be at the logo interface.

Pls update the system program !!

1. Connect " KEY1"  or " KEY2 " to ground, then update it.

Here to download the updated firmware.

Here is updated video for your reference.

2. After updating,pls reboot the car radio. Here is video.

3. After a successful upgrade, files may be lost. Click here to download and install again.

 

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