@SayeemAhmed I tried to update my firmware but have come across problems, The deco app says the firmware is the latest version and I could not update it further, when I tried to update the firmware...

I have a Deco M4, and it was working properly for the last few years. However, just about a month ago, my internet on the Deco seems to have slowed down. Normally, I would get around 100 mbps if I'm...