Your own router and your own firmware for about ₹10,000.
Box 1: a fibre ONT like the TP-Link XZ000-G7. It turns the light from the street into Ethernet (RJ45), and that’s all it does. No routing, no Wi-Fi, no firewall.
Box 2: a Wi-Fi 6 router like the Mercusys MR90X. Inside is a MediaTek Filogic chip (MT7986) that OpenWrt officially supports.
Would you flash OpenWrt on your router? Tell me in the comments.
Sources: openwrt.org (MR90X v1 device page), TP-Link XZ000-G7 spec sheet, Flipkart / Moglix listings (Nov 2026).
From the comments: the follow-up guideOpenWrt with an Airtel, Jio, BSNL or ACT connection: what actually worksYou almost never flash the box your ISP gave you. You put your own OpenWrt router behind it. Here is how that works on each of the big Indian ISPs, and which routers to buy.