slow uplink speeds on new setup WE826-T & EM 7455

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Nico_LTE
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by Nico_LTE » Thu May 30, 2019 1:03 pm

For test the material, I tried to plug a Huawei E3276S-150 LTE (4G) USB Modem but the system isn't recognize neither the Key specifications on Modem/debug information.

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JimHelms
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by JimHelms » Thu May 30, 2019 1:33 pm

It may not hurt. You have never said what brand of EM7455 it is:

As I posted on the tutorial I listed above:
If it is the Dell DW5808 or Panasonic, there is the possibility that the VID and PID may need to be changed to work properly.

The OEM Dell DW5808 is normally locked in USBCOMP #9 which is MBIM with no AT ports which may trequire a little work to use
.

Nico_LTE
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by Nico_LTE » Thu May 30, 2019 3:30 pm

Jim,

Thank you for your help and your motivation to solve my difficulties.
Unless if I mistaken about your localization you're an amazing Texan.

About the brand precision.
Below the transcription of the device specified on the card.

Sierra Wireless AirPrime TM
Model : EM7455 QUALCOMM_4G
Product in Vietnam
LF716589960410
4428791000015A2040
442879100015 Windows
02.24.03.00 NO_GPS_1.0

I didn't found the option to send picture on the web site.

Do you know the way to change the VID or PID for this card ?

Nico_LTE
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by Nico_LTE » Thu May 30, 2019 3:51 pm

Several people use that configuration on ltehacks.com, so I guess that should be possible.
The good exercise at this step, because we're at the third page of a "Rrutl" post, is maybe a better formulation for a new post title ?
"Sierra EM7455 no recognized on router WE826[16M] with OpenWRT.18.06"

Thank you to "Ltehacks team" for this appreciate help.

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JimHelms
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by JimHelms » Thu May 30, 2019 4:22 pm

Nico_LTE wrote:
Thu May 30, 2019 3:30 pm


I didn't found the option to send picture on the web site.

If you click below on the Full editor, you will see a tab for attachments which may be used to upload pictures and files.

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JimHelms
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Re: slow uplink speeds on new setup WE826-T & EM 7455

Post by JimHelms » Thu May 30, 2019 4:33 pm

You will most likely need to change the vendor and product ID on the EM7455. There is a lot on information available to do this. I would do a search for "changing the PID VID on EM7455"

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