Link to the YouTube Video: OpenWRT on Linksys EA7500V2 Router Unleash The SECURE Beast!

Steps

Download OpenWRT (direct): https://downloads.openwrt.org/releases/25.12.2/targets/ramips/mt7621/openwrt-25.12.2-ramips-mt7621-linksys_ea7500-v2-squashfs-factory.bin

Download Webpage: https://openwrt.org/toh/linksys/linksys_ea7500_v2

Download original firmware (Direct): https://downloads.linksys.com/support/assets/firmware/FW_EA7500v2_2.0.8.194281_prod.img

Download Webpage: https://support.linksys.com/kb/article/559-en/?section_id=57

Plug the router directly into the Ethernet port on your computer/laptop using an Ethernet LAN cable from one of the 4 LAN ports on the back of the router.

Navigate on your browser to the Linksys router at 192.168.1.1 log in

Reset the router

Flash the original twice. 

Install Openwrt Firmware on the Linksys router 192.168.1.1

Navigate to the Connectivity tab> Basic

Log into "Luci" OpenWRT

Check online for firmware upgrades (Yes, enable checking) (Save & Apply)

Click on [Go to password configuration] Set password and [Save] it

Plug Ethernet cable from the router WAN port into your internet modem/router. 

Open a (CMD) window

Type ssh root@192.168.1.1 press [ENTER]

Log in with router password

apk update

apk upgrade

apk add luci-app-advanced-reboot

luci-app-attendedsysupgrade

Reboot the router 

Navigate to Network Interfaces> Click on edit on WAN6 interface> click on [Disable this interface] [Save] [Save & Apply]

Speed test.

Navigate to Firewall>

Routing/NAT Offloading

Not fully compatible with QoS/SQM.

Set to: Software Flow Offloading [Save & Apply]

Reboot the router

Speed Test again.

Configure WIFI 2.4GHz and 5GHz SET COUNTRY CODE!

Test WIFI

🛠️ Useful Resources & Links: