@GeorgeDad I created this ticket for TPlink helpdesk but maybe noone in TPLink care about their product

@David-TP I reset and setup many times and it only have 1 result

@David-TP Hi I tried to setup 1 Deco 1 network and speedtest Only 2 X20 Japanese version run with low bandwidth, only X20 EU run better I used 2 X20 v1 JP for 1 years and X20 EU i bought from my...

I have some Deco X20 V1 with 2 version - Deco_X20_V1.2_1.6.1_Build_20250910_Rel.43292 - Deco X20V1_en_1.6.1 Build 20250831 Rel. 77853 After i upgrade my Deco X20 v1 to lastest version 1.6.1, it can...