Official Release Deco M5 1.7.8
Current Release
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.7.8 Build 20240719 for All versions
Modifications and Bug Fixes:
1. Improve the device stability.
2. Enhance the system security.
3. Fixed the bug of Deco network disconnection after adding satellite Deco.
Note: We recommend all users upgrade to this firmware version for important security updates.
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History Release
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.7.6 Build 20240305 for EU version
Deco M5_1.7.4 Build 20231222 for other versions(like US/CA/AU, etc.)
Modifications and Bug Fixes:
1. Improved system stability.
2. Fixed several security vulnerabilities.
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.7.3_Build 20230906
New Features/Enhancements:
1. Optimized the auto-upgrade function.
2. Optimized the accuracy of the client list display.
3. Improved system stability.
4. Fixed the bug that port scanning errors recognized some IOT devices as risky devices.
5. Fixed the bug that parental control doesn't take effect.
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.7.1_Build 20230608
Modifications and Bug Fixes:
1. Added the static route function.
2. Added the ability to customize the MTU.
3. Added IoT network function.
4. Added auto upgrade function
5. Added ECO Mode (includes Power Mode, Wi-Fi Schedule, and LED Control) to save energy.
6. Optimized the MAC Clone function.
7. Fixed the bug of network abnormality under specific ISP.
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.6.5_Build 20230110
Modifications and Bug Fixes:
1. Fixed the issue that failed to set up Deco on Android 13 phones.
2. Fixed the issue that the online client displays zero incorrectly.
3. Optimized the Network Optimization feature.
For Deco M5(V1/V2/V3/V3.2)
Deco M5_1.6.1_20220818
- Apply to US/EU/JP/AU/CA/TW/ID/UK/SW/EU/B4 versions.
- 1.6.1 firmware will be gradually released to different areas and if currently it could not be detected on the Deco APP, you could wait for a while or a firmware upgrade via web UI is recommended.
Improvements:
1. Optimized the Monthly Reports.
2. Improved system reliability.
Bug fixed:
1. Fixed the bug that clients won't be able to obtain IP addresses randomly.
2. Fixed the bug that insight/time limit of parental control won't reset the next day.
3. Fixed the bug that No-IP DDNS doesn't take effect under PPPoE connection.
4. Fixed the bug that the client list randomly does not show any client or recognizes satellite Deco as a client.
For Deco M5(V1/V2/V3/V3.2)
New Features/Enhancement:
1. Added Reboot Schedule for every day/week under Deco App > More > Reboot Schedule.
2. Added support for customizing Satellite Deco signal source under Deco App > Internet > Select the Satellite Deco > Signal Source.
3. Added support for customizing clients connection preference under Deco App > CLIENTS > Select the client > Click the gear icon on the right-up corner > Connection Preference.
4. Added No-IP and DynDNS to the DDNS settings under Deco App > More > Advanced > DDNS
5. Added Smart DHCP on/off switch in Access Point mode under Deco App > More > Advanced > Smart DHCP
6. Added a prompt when the Ethernet link rate goes down to 100Mbps.
7. Added schedule and bandwidth limit to guest network under Deco App > More > Wi-Fi > Guest Network.
8. When configuring Deco for the first time, you can choose to establish an IPv6 connection directly.
Related Articles:
Frequently Asked Questions on Deco Firmware Update
Deco Monthly Recap- Check What's Currently Going on With Deco
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Thanks for the feedback.
I’d like to follow up on your case by email and could you please help me confirm the following details:
1. Except for the wired clients behind the switch, how about the mobile devices, and Did they show up on the device list?
2. What is the model number of the switch?
3. Except for the NAS, are there any other wired clients?
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TP-Link wrote
All the wired devices connected to the switch did not show up on the devices list, right?
Yes. My NAS disappeared in devices list after upgrading to 1.6.0
TP-Link wrote
If you connect one of the wired clients to the main Deco directly, would it show up on the APP?
I didn't try this before, but while using older firmwares, it always displays in devices list
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Hi, Thanks for the feedback.
All the wired devices connected to the switch did not show up on the devices list, right?
If you connect one of the wired clients to the main Deco directly, would it show up on the APP?
As for the guest network issue, you are right and the connection preference is only available on the main network.
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@TP-Link Deco app doesn't list my wired clients connected to switch under main deco m5 (it listed before upgrading)
TP-Link wrote
3. Added support for customizing clients connection preference under Deco App > CLIENTS > Select the client > Click the gear icon on the right-up corner > Connection Preference.
This feature doesn't apply to guest network clients?
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@TP-Link I have tried to reboot both the Decos and the treadmill. That doesnt help. Yes the problem started after updating to 1.6. My treadmill is a Nordic Track T12.2 with an iFit WiFi module.
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Hi, Did this issue just start updating the firmware 1.6.0?
Would restarting the treadmill and Deco make any difference?
By the way, may I know the model number of the treadmill?
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Hi, the feedback is very valued for us and May I know the model number of your Tapo plug and wyze cam?
Would powering off/on these smart devices make any difference?
By the way, I would like to follow up on your case by email and please have a check of your email box.
Thank you very much.
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Updated my 5x Deco M5 to the 1.6 firmware.
Unfortunately even when selecting the connection preference to the closest deco devices are still connecting to decos alot further away.
Rebooted both all the decos and the device's made no difference. Here is a TPLINK tapo plug and a wyze cam. Both ignoring the much closer and preferred deco


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@TP-Link After upgrading to firmware 1.6.0 I am having trouble with my wifi enabled treadmill not connecting. I shows up as an connected client (192.168.0.105) in the Deco app but the treadmill sais it is not connected. I have checked the log and see some errors but I dont understand what it says. I see that it has something to do with the treadmill connection because of the ip address (192.168.0.105). Here is some of the log.
Thu Aug 26 14:52:46 2021 daemon.err udhcpd[7721]: Received DISCOVER
Thu Aug 26 14:52:46 2021 daemon.err udhcpd[7721]: clear ip 6900a8c0
Thu Aug 26 14:52:46 2021 daemon.err udhcpd[7721]: Sending OFFER of 192.168.0.105
Thu Aug 26 14:52:46 2021 daemon.err udhcpd[7721]: Sending ACK to 192.168.0.105
Thu Aug 26 14:52:46 2021 daemon.err udhcpd[7721]: clear ip 6900a8c0
Thu Aug 26 14:52:48 2021 daemon.err udhcpd[7721]: Sending ACK to 192.168.0.105
Thu Aug 26 14:52:48 2021 daemon.err udhcpd[7721]: clear ip 6900a8c0
Thu Aug 26 14:52:52 2021 daemon.err client_mgmt: client(7C-DD-90-AD-D1-B9) not found in arp table disconnect_counter=1
Thu Aug 26 14:52:52 2021 daemon.err client_mgmt: client(66-32-9A-AC-4F-22) not found in arp table disconnect_counter=1
Thu Aug 26 14:52:52 2021 daemon.err client_mgmt: client(C4-DD-57-15-6D-4B) not found in arp table disconnect_counter=1
Thu Aug 26 14:52:52 2021 daemon.err client_mgmt: client(FE-D8-AB-49-30-78) not found in arp table disconnect_counter=1
Thu Aug 26 14:53:12 2021 daemon.err client_mgmt: client(7C-DD-90-AD-D1-B9) not found in arp table disconnect_counter=2
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