@souravkai Hi, is it an EU version? Check the router device label to verify. May I know the reason that why you want to downgrade to the original version? Which firmware version do you refer to? If...

@RicardoSerra This is quite an old thread, it is suggested to open a new one on your own, and do remember to provide the model number of your TP-Link device. If you don't remember the login username...

@gary51 If that is the case, the LAN ports might be faulty, it is suggested to reach out to the local tech support to do further troubleshooting, or they will help with the replacement:...

Hello @iKnow_Robbie and all, This is the Onemesh compatibility list, and the Archer A20 is not in the list: https://www.tp-link.com/onemesh/product-list/ If you require the Onemesh feature, it is...

@yogeshgpt Hi, I'm afraid not. The Archer C1200 V2 is quite old version, there is no plan to add the support for SMBv2.

Hello @talbot, Thanks for the update. Glad to know the issue was resolved, there will be new official firmware in the future to fix it, please wait patiently. BTW, we have updated a solution for this...