WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

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msid333
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WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by msid333 »

Hi Everyone,

I recently purchased a WE826GO-U, Quectel EM20, PCI-E to M.2 adapter, and MHF4 pigtails. I know the M.2 400Mbps limitation will be present and I would be grateful for that speed :D

This is my second build on a WE826 and I believe I followed the directions well. Pre-tested SIM card in phone and confirmed service is working. Started up without modem installed, configured APN, synced local time, and configured TTL.

Installed modem, connected antenna pigtails/external antennas, and inserted SIM card into WE826; then turned unit on.

General information section (Modem-->Network Status) shows Provider field as always "Connecting". Additionally the Modem/SIM Information table is completely blank.

Modem Debug screen shows the following and this is repeated after every restart:

Code: Select all

Tue Apr 21 01:52:47 2020 : /dev/ttyUSB2 
TIMEOUT ERROR
  
Tue Apr 21 01:53:18 2020 : /dev/ttyUSB2 
  
Tue Apr 21 01:53:49 2020 : /dev/ttyUSB2 
  
Tue Apr 21 01:54:21 2020 : /dev/ttyUSB2 
  
Tue Apr 21 01:54:52 2020 : /dev/ttyUSB2 
  
Tue Apr 21 01:55:23 2020 : /dev/ttyUSB2 
  
Tue Apr 21 01:55:55 2020 : /dev/ttyUSB2 
Appears I am unable to connect to modem due to timeout and I cannot issue any AT commands. I tried re-flashing latest firmware, however have the same issue.

Did I miss any steps? Any ideas on troubleshooting steps I can take?

Grateful for any help - much appreciated. Thank you!
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JimHelms
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by JimHelms »

I would try this FIRMWARE build.

You will need to add this script in the SYSTEM > STARTUP > LOCAL START UP (at the bottom) and SUBMIT.

Code: Select all

echo "0x2c7c  0x0620" > /sys/bus/usb-serial/drivers/option1/new_id 
You will have to reboot the router for it to take effect.

The latest version of GoldenOrb is having issues communicating with the EM20-G. It is believed that Quectel changed something in the firmware on the latest EM20-G's

They are working on the issue over on the GoldenOrb/Rooter forum now.
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by Didneywhorl »

Whut Jim said. :)

Also, your LAN ports on the we826 are MAX 100Mbps, so dont get hopes up for more. :(
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by JimHelms »

You may also want to look at THIS post which will most likely work with the current WiFiX firmware build.
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by srunyon1 »

so I'm having this same issue, just downloaded the latest Golden Orb for my ZBT-WE826 (16M) with EM20-G
it sees under the device information, but I can not make any AT commands to it.

I added to the startup what you have here.
I also went to the other thread and made the custom port settings as suggested.

https://wirelessjoint.com/viewtopic.php?f=8& ... 7330#p7330

Still no joy.

the link to the version of firmware you have here doesn't work.

is there an older version of firmware that works?

any help would be great.

thanks
Ziggy
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by srunyon1 »

So I rolled back the Firmware , Im running
GoldenOrb_2019-03-10

i added the startup command

and I get further, now at least it connects to the modem and has the modem type listed

but I keep getting these errors now
Mon Jun 22 03:35:37 2020 : /dev/ttyUSB2 AT$QCPDPP=1,0
ERROR

Mon Jun 22 03:35:40 2020 : /dev/ttyUSB2 AT$QCPDPP=1,0
ERROR

Mon Jun 22 03:35:42 2020 : /dev/ttyUSB2 AT$QCPDPP=1,0
ERROR

Mon Jun 22 03:35:45 2020 : /dev/ttyUSB2 AT$QCPDPP=1,0
ERROR

Mon Jun 22 03:35:47 2020 : /dev/ttyUSB2 AT$QCPDPP=1,0
ERROR
on this version of firmware setting the custom modem ports doesn't seem to work properly.
it only fills in the vender id and that it after you hit save.
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by JimHelms »

Use the FIRMWARE recovery method and upload the lastest WiFiX firmware which works with all versions of the EM20-G Firmware.
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Re: WiFix WE826-GO and Quectel EM20-G - Modem Timeout Error

Post by srunyon1 »

Thank you Sir!!! total joy and 30 meg downloads with just stock antennas!!!
JimHelms wrote: Mon Jun 22, 2020 6:38 am Use the FIRMWARE recovery method and upload the lastest WiFiX firmware which works with all versions of the EM20-G Firmware.
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