@RioWP Please show us a screenshot of the error message you saw. Try to reinstall the middle firmware and verify whether it works. Good day.

@ozan Hello, please refer to this thread to get the degrade instruction: https://community.tp-link.com/en/home/forum/topic/171528?page=2 May it help and have a good day.

@RyanNL Hello, what is the operating system of your computer? Have you ever installed the driver for the UB400？ Below is the download link： https://www.tp-link.com/support/download/ub400/#Driver Good...

@Superior3000 Can this Archer T6E detect the 5GHz from the Deco? You can tryto disable 2.4GHz and disable fast roamming to give it a go. The Archer T6E does not have this feature available to select...

@Dfadrique Hello, the Archer C5 V4 does not support address reservation in access point mode, neither does Archer C50 V4. They support address reservation feature only in router mode. May it help and...

@yde What is the model number of the AC750? Is it TL-WR902AC? Does hotel wifi supports 2.4GHz and 5GHz both or just one of them at once? What is the operation mode of the router? With it connected to...