I tried to update, but gave an invalid username or password. I have 1 Archer c9 router and a Deco M9 plus. I have always liked TP-Link products, these problems I am having to update the Deco M9 plus...

@e3henri I tried to update, but gave an invalid username or password. I have 1 Archer c9 router and a Deco M9 plus. I have always liked TP-Link products, these problems I am having to update the Deco...