please tell me that I didn't brick it!!!! heeeeeeeeeelp!!!!!

Hello, new here and I tried to flash my MR3020 with openwrt-ar71xx-generic-tl-mr3020-v1-squashfs-factory.bin, I did exactly as the guide says but I'm stuck in step when you attempt to get response from router (ping 192.168.1.1),it keeps sayin request timed out... all I want is to restore the router with the default firmware, I though following this guide but seem to be sucked in the same step... when the guide says to set the computer to 192.168.1.2 what does it mean? To set up a static IP? Please help me!! I'm desperate I don't know how to fix it... if there is any video tutorial or even some photos.

Yes, you need to set up your computer with the static IP 192.168.1.2
The router has 192.168.1.1 when in rescue mode - so you need to be in the same subnet for it to be pinged...