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2D42 Firmware update failed

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Post time 2019-3-5 22:51:09 | Show all posts |Read mode
Edited by Raduski007 at 2019-3-5 22:59

Hi, during the firmware update of 2D42 the process was termintated and the unit does not power on anymore. Please help!

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Post time 2019-3-6 01:41:29 | Show all posts
Hello. When flashing it is important to charge the batteries and use the laptop then there will be less problems. Try updating again by turning on boot mode by holding down the F1 key and pressing the power button. If it does not help, then just flashing through the programmer directly. I didn’t write in more detail because if not skillful actions can damage the device, it is used for programming STM ST-Link Utility

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 Author| Post time 2019-3-6 02:02:51 | Show all posts
+79003631279 replied at 2019-3-6 01:41
Hello. When flashing it is important to charge the batteries and use the laptop then there will be l ...

Thank you for the message, could you please send info in regards to flashing through the programmer directly. It is my only choice since the F1/Power combination does not work. Also the PC does not recognize the device. Thank You!

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Post time 2019-3-6 15:09:11 | Show all posts



If you can use TTL serial port tool, please refer to the attachment to program arm1 and arm2:
https://fil.email/695SztWD

This link is valid for only seven days. Please download it as soon as possible.

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 Author| Post time 2019-3-6 22:50:01 | Show all posts
Thank you very much! I followed your instructions precisely but unfortunately I cannot connect to the device. I used USB to TTL module with no luck.
Your help is much appreciated. Have a great day!

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Post time 2019-3-7 10:46:59 | Show all posts
What's wrong with the USB to TTL module?

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 Author| Post time 2019-3-11 02:44:01 | Show all posts
I got all the connection right, but it cannot connect to device to flash it.

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Post time 2019-3-12 15:23:14 | Show all posts
Raduski007 replied at 2019-3-11 02:44
I got all the connection right, but it cannot connect to device to flash it.

Sir, sorry, I don't know how to help you.You can check this question online.

Did you connect RX and TX in reverse?

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 Author| Post time 2019-3-13 07:43:42 | Show all posts
Up and running beautifully, you are a the best. RX/TX reverse
Many thanks!!!

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Post time 2019-3-25 23:18:46 | Show all posts
Hello, during the firmware update 2D42 I had the same problem (the process was interrupted and the device is no longer turned on). F1 / Power combination does not work. Can you please tell me how to restore the device?
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