why aren't my Deco M9s v1 updating to fw 1.5.0?

@Kevin_Z one more week later: no more internet connection sped drops (... so far! fingers crossed) can't believe it's just because of yet another ethernet cable and the three I tried before this...

@Kevin_Z took almost three days, this time, but... here we are again to 90Mb so... so far I can rule out (on the hardware side): - ISP's Huawei ONT (connecting directly to it doesn't fix the issue) -...

@Kevin_Z and as usual, two days after "fixing" the issue, speed dropped again to 90Mb trying now a different ethernet cable. see you in a couple of days

@Kevin_Z and here we are again: speed dropped to 90Mb even after swapping main/slave Deco as usual when it happens, disconnecting/reconnecting the ethernet cable between Deco and Vodafone Power...

@Kevin_Z 4. 10MB to Deco and 100Mb to Power Station are the wired negotiated speeds between computer/Deco and computer/Power Station 5. already tried this and... speed drops to 90Mb after a while...