I am looking to buy a new wifi router? to hook up to my new nokia xs-010x-q ont box . my isp gave me a deco x50,but it doesn't have good features like me old archer c80 model, it still is working but

I have tp link archer c 80 and re305 range extender working now,but i got a new deco x50 when i updated to fiber internet .but i don't know how to setup my re305 range extender with deco x50 .i could