[RT-AC68R] Wireless don't work anymore

I've purchased pre-owned RT-AC68R it came with stock FW, I made short testing to make sure everything working fine. After that:
1) flashed Tomato (through FW web ui, not recovery mode);
2) booted into Tomato;
3) plugged usb2 hdd (usb powered) to the router usb2 port;
4) started configuring settings (smb share / dlna server);
While I was on step 4 wi-fi has stopped working and not it won't work anymore.

I tried erasing nvram in recovery mode and flashing back to stock through recovery but...

[RT-AC68R] Wireless don't work anymore