Early Access ER7206 V1_1.4.2 Build 20240618 Pre-Release Firmware (Released on Jun 14th, 2024)
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This Article Applies to
ER7206(UN) V1 1.4.2_Build 20240614 (Beta)
Release Notes
Bug Fixed:
1. Fixed some known security vulnerabilities.
2. Fixed the bug that Url Filter and Web filter not working caused by browser upgrades such as Chrome/Edge.
3. Fixed the bug that Wireguard VPN failed to detect a state disconnection.
4. Fixed the bug that DNS proxy may work abnormally when multiple WAN ports obtain the same DNS server.
5. Fixed the the compatibility problem with OpenVPN connect 3.4.0.
Firmware Download
Before the Upgrade
(1) Please be sure you have read the Beta Test Agreement before upgrading the Beta firmware!
(2) You may follow the following guide to upgrade your Omada devices. How to Upgrade/Downgrade Omada Gateways
Firmware Download Link
ER7206(UN) V1_1.4.2_Build 20240614 (Pre-Release)
ER7206(UN) V1_1.4.2_Build 20240618 (Pre-Release)
Notes:
(1) The above firmware is ONLY applied to ER7206 V1. Beware!!! TL-ER7206 may experience a firmware issue with this version.
(1) The above firmware is applied to ER7206 V1.
(2) Your device’s configuration won’t be lost after upgrading.
Attention:
If your device is bricked due to the firmware upgrade, please use firmware recovery mode and use 1.2.0 to recover. Then you may roll upgrade to 1.4.1 and use the latest version 1.4.2 20240618.
Additional Information
All feedback is welcome, including letting us know about successful device upgrades.
If somehow you encounter an issue during or after the router upgrade, it's suggested to contact us with the following info:
- Omada Controller version
- Device Firmware version with Build number (previous and current)
If your router gets bricked during the firmware upgrade, you may follow the guide below to recover the firmware.
How to use the Emergency Mode to recover the firmware for Omada Gateways
Update Log
Jun 20th, 2024:
Update the firmware link.
Fix the problem where TL-ER7206 or ER7206(made in 2021 - SN: Y21) may become brick after the upgrade.
Jun 18th, 2024:
Removed the download link temporarily. Now it is reinstated.
Add one piece of note.
Jun 14th, 2024:
Release of this post.
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Controller : OC200 5.14.20.21
file that was downloaded: The link posted on this topic, first message, checked twice to be absolutely sure it is.
previous firmware: latest stable ER7206(UN)_V1_1.4.1 Build 20240117
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Hi @crrodriguez
Thanks for posting in our business forum.
crrodriguez wrote
Controller : OC200 5.14.20.21
file that was downloaded: The link posted on this topic, first message, checked twice to be absolutely sure it is.
previous firmware: latest stable ER7206(UN)_V1_1.4.1 Build 20240117
File full name with extensions.
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Hi @crrodriguez
Thank you so much for taking the time to post the issue on TP-Link community!
To better assist you, I've created a support ticket via your registered email address, and escalated it to our support engineer to look into the issue. The ticket ID is TKID240632306, please check your email box and ensure the support email is well received. Thanks!
Once the issue is addressed or resolved, welcome to update this topic thread with your solution to help others who may encounter the same issue as you did.
Many thanks for your great cooperation and patience!
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I have RMA-ed my ER7206 to my local TP-Link office in the Netherlands and is underway already. To be honest, you were not very helpful, and at least you was in doubt that it was the new firmware that causes the problems. I am somehow "glad" (sorry for the ones who suffer with the same issue) that I am not the only one who have this problem.
In my RMA request I have mentioned this thread, hoping that they could at least diagnose the issue (even though my ER7206 is dead except for port 5).
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Tha_host wrote
I have RMA-ed my ER7206 to my local TP-Link office in the Netherlands and is underway already. To be honest, you were not very helpful, and at least you was in doubt that it was the new firmware that causes the problems. I am somehow "glad" (sorry for the ones who suffer with the same issue) that I am not the only one who have this problem.
In my RMA request I have mentioned this thread, hoping that they could at least diagnose the issue (even though my ER7206 is dead except for port 5).
If you have read the beta test agreement, this situation is within the expected range. And you were supposed to work with us on the problem by providing the information that we require to locate the problem.
We so far just located that TL-ER7206 unlike ER7206 would experience such an issue from the code level. We don't have any further comment on this as we don't have enough samples to confirm this.
TL-ER7206 and ER7206 are the same projects but two different models with slight differences in the code level.
Firmware recovery can fix the problem. The firmware recovery should use 1.2.0 firmware which is what I thought earlier. In the last few upgrades, the system requires to keep HTTPS open and prerequisite firmware.
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And again, there is the "friendly and helpful" tone of voice again....
"You should this, you should that"...
Ofcourse I have read the beta test agreement. Ofcourse I know that these kind of things could happen. And ofcourse, I was willing to help. I've provided screenshots, posted comments, etc. But once I see that you don't want to help and have doubts about everything I have posted, I gave up and send the (TL-)ER7206 in for a replacement.
It's up to you and your team to decide to take things seriously and want to research this issue seriously or not. I have sent my (TL-)ER7206 to TP-Link The Netherlands, in Nieuwegein. It will arrive tomorrow. The RMA number is RMANL16138. You are free to contact them, and let them do research the issue. Let them judge whether it's a "user error", or just an error in the firmware, which I already have stated.
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Hi @Tha_host
At least, I don't think it is wrong to have a grain of salt and verify if everything is done by the book while others are reporting something different from yours. 
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Oh man, this is scary. I have the ER7206 V1 that is about two years old and it should be the right model. For the most part it bricked my router. The only wan port that works is the last LAN port now, and Omada does not reconise it. See the screenshots. NULL/NULL
Omada Software Controller version 5.14.20.9 with one sg3429MP and one er660HD. All of that is fine but the router is gone wayward.
The bad part is I tried to flash the old formware back in and it wont let me. I reset it and get it back up to work, but its divirced from omada at the time. I hope you guys get this fixed.
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