Hello
For first I have read all the topics about this router.
The device it's a v1.9 that any pic of the internet shows the same microchip (ESMT).
When I bought it I upload the correct OpenWrt version, and did,t turn on.
It only shows 2 led reset and power.

I use Wireshark to show traffci and leaerned that I need to put my pc on the 192.168.0.66 and a file called mr-3020_tp_recovery.bin in the home of tftp server.

When I use wireshark I see traffic in the TFTP protocol, to the 192.168.0.86. Correct.
When it restart... nothing else happens...

I bougth a serial cable and boot it and shows this:

¶JJ?X
   ¶¶33X UART
[    0.480000] console [ttyATH0] enabled, bootconsole disabled
[    0.480000] console [ttyATH0] enabled, bootconsole disabled
[    0.490000] m25p80 spi0.0: unrecognized JEDEC id c84016
[    0.510000] ag71xx_mdio: probed
[    0.520000] eth0: Atheros AG71xx at 0xb9000000, irq 4
[    1.070000] ag71xx ag71xx.0: eth0: connected to PHY at ag71xx-mdio.1:04 [uid=004dd041, driver=Generic PHY]
[    1.080000] TCP cubic registered
[    1.080000] NET: Registered protocol family 17
[    1.090000] Bridge firewalling registered
[    1.090000] 8021q: 802.1Q VLAN Support v1.8
[    1.100000] VFS: Cannot open root device "(null)" or unknown-block(0,0)
[    1.100000] Please append a correct "root=" boot option; here are the available partitions:
[    1.110000] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

KERNEL PANIC!!

Anyone knows what I need to do to runs ok?

Thanks to everybody.

Hi,
Do you also have the TL-MR3020(UN) model ?
I have bought 3 of this and have the same problem as you do. I "bricked" 2 of them. #upset
Where did you buy your serial cable ? any link ?
Did you follow this tutorial : ediy.com.my/index.php/blog/item/78-recover-bricked-tl-mr3020-wireless-n-router
Thank you

Did you manage to do something ?