We are experiencing problems when updating HL7800 using the “on click” HL7800-M.4.6.9.4.exe on Y-modem mode. [HL7800-download-issue] We see some “Ymodem: too many transmission attemps”, and “Failed to send block - retrying part. X tries remaining”. And then the upgrade application just stops, so…

Are you using Win10? if you are using win7, you can see here: [image] Drivers for HL7800 USB Port HL78 I have a HL7800-M module installed in a mangOH Red board. HL7800-M is running firmware v4.4.6.0. I used the "AT+KUSBCOMP=1,1,2,3” command to enable the module’s native…

Hello, Thanks for the response. I am using w10 on both PCs I can access the ATI port, that works fine, and the FW download starts but gets stuck on in the middle.

Do you have some usb 1.1 hub to force slow speed?

Nope, on both PCs I am using the same USB3.0 hub

You can try usb2.0 and see if this is related to speed

I used now a USB2.0, same result, maybe it went further on the download, but stuck in on of the “writing to flash” [image]

seems the error is different and it can go further. Is it 100% failure on this particular PC?

It happens on all new batch of PCs. After the last try, the HL78 keeps rebooting all the time, so now I have 2 boards down

is that you must use USB to upgrade? How about UART?

HL7800 firmware update problem

IoT Modules HL78

jyijyi April 8, 2022, 1:11pm 2

Are you using Win10?

if you are using win7, you can see here:

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HL7800 firmware update problem

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