@Sunshine thank but nope... look my screenshots Thank for your suggestions Hispa

@Hispanico Please +1 Hispa

My Deco X50 v.1 with firmware Deco X50(EU)_V1_1.5.5 Build 20240718 remain on old firmware and not upgrade to last firmware Deco X50(EU)_V1_1.6.1 Build 20241010 I try many time Thank Hispa

@Hispanico Solved and sorry I wasn't on wifi Hispa

I search to change main Deco in my network mesh following this procedure: https://community.tp-link.com/en/home/forum/topic/604818 but in the app i dont find "..Step 2. Click on the three dots icon...

I buy 2 weeks ago on Amazon one Deco X50 and arrive with firmware Deco X50(EU)_V1.20_1.4.5 Build 20240828 and after i buy another Deco X50 but this arrive with Firmware Deco X50(EU)_V1_1.5.5 Build...