Solution Paint Your Home in Wi-Fi/ Let's begin on the Deco APP
This Article replied to:
All Deco models.
Recently, we have received some inquiries that the Deco network is green and working fine, but on the Deco APP, it said "Paint Your Home in Wi-Fi and let's begin". It seems the APP does not know the network has been set up already and requires it to be set up again.

It might happen due to the following reasons:
1. You might log into the wrong TP-Link ID.
2. The network was deleted on the Deco APP when Deco was temporarily offline before, such as when Deco APP temporarily said: "We could not find Deco" or Deco was powered off.


3. The password of TP-Link ID has been changed when Deco was temporarily offline.
Solution:
Please refer to this link to get more instructions:
- Ensure you have logged in to the Deco app with the original email address that was used to set up Deco (also called owner account).
2. Please confirm the smartphone is connected to Deco’s Wi-Fi network. At the same time, disable mobile data and close any VPN application on the phone if you have one.
After that, launch the Deco app and log in again.
2.1 If you’re able to log in and see the Deco network
Go to More -> Update Deco. And ensure the Deco system is using the latest firmware. If the “Let’s begin” issue persists with the latest firmware while the phone connects to other networks, please leave me a private message of the MAC address of your main Deco as well as your current TP-Link email ID.
2.2 If you’re not able to log in to the Deco app, or Deco APP said" incorrect password".
In this case, you may have lost the original TP-Link account/password used to configure the Deco system. And you need to reset the whole Deco system and set up them again with your current TP-Link account.
Related link:
What can I do if the Deco app shows “Let's Begin” while Deco is working well?
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Thanks @Porkshanks , in my case the portal only prompts for password (not for user), but it does not recognise the credentials working fine for my account in DECO app (which is the one I regenerated). Probably it has cached somewhere the original one.
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Hi, thanks for the message.
Did you log into the Deco App using the forum registration email?
Have you ever had another TP-Link email address?
Wait for your reply.
Best regards.
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@David-TP I use the same user email address for the forum and the network device. However, the passwords are different. Personally, I prefer having 2 separate passwords for the forum vs the LAN network administrator password, since the vendors and corporations are a more "target rich" environment for those with ill intentions. I suppose it would not be a bad idea to use a different email address for the forum vs the LAN administrator.
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Hi, actually, when you registered the forum, this email will be registered with TP-Link Cloud as well. So only one password can be set. Later, you can use these credentials for the Deco App/Tether App management.
It would be better to use different email addresses or enable 2FA when you use the same email address on the Deco APP/Tether APP:
How to turn on Two-Factor Authentication (2FA) in Deco app
Best regards.
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@David-TP Thanks for your reply.
I setup both DECO app and tp-link.com with the same email account.
The same was used to configure my wifi mesh.
As I've read on the forum to fix the issue and get rid of "Let's begin on the Deco APP" on an already configured Mesh, I reinstalled DECO app on my IOS and regenerated the credentials to ensure those were correct. In my case, and I know probably it is not a good idea to say for security reasons, but, for now, both my new pass is used in forum account as well as in my reinstalled DECO app.
But, when it comes to access the UI web portal from my main device, it does not recognize my creds, and It makes sense if it keeps the one used for the initial config (the one I've just changed two days ago). I would like to know if based on my scenario, there is something I can do rather than resetting everything.
Thank you
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@Giulio56 excellent!
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