@Farooq2426 With your devices connected to the main router, do you have the same issue? Please show us the ping results. And what is the led status of the TL-WA850RE when there is a questionmark on...

@OscarCM Sorry to tell you that the hardware version cannot be upgraded. And from the compatibility list of Onemesh feature, the RE305 V1 is not included, so I'm afraid that there is no plan to...

@RicR95 Thanks for the information provided. The RE500 is a range extender, theoretically, it has nothing to do with NAT error. Anyway, we will do further analysis to locate this issue and try to fix...

@Nothappy Hi, can you access internet from the RE305 now？ Did you use the same wireless network name for the RE305 as the main router? If so, it is suggested to use a different name for the extender...

@trying4wifi Hi Will, what is the model number of the AC1750? It starts with RE. Can other wireless devices detect the wireless network of Deco M4? Try to disable fast roaming on the Deco app and...

@StevieBear Hi, you can hold the reset button/hole for 1s to reset it with the extender powered on. And then you can use the default login password to access it, which is admin. Good day.