Ubiquiti BulletM2 lost password

[Lantis]

At one point i had a troublesome device which would not let me connect to it with TFTP unless i put a dummy switch between the two devices. That might be worth a try.

You can use a router, but if it is handing out DHCP assignments, you need to be careful that none of them conflict.

[top_s]

I have tried this " TFTP recovery " procedure over the last 2 days a number of times . It was in fact the reason I came to this forum.
Everytime I get " Connect request failed" And YES, TFTP is enabled in Win 10 and Win 7.
The reason WHY laptop in not "seeing" the router remains unclear. i tried it on 2 laptops Everytime the same reply" "connection failed" ??

Once i got stuck on a similar situation because I forgot to turn firewall off completely.

Have you tried wireshark to see if the router asks for anything?

Also, re-run the procedure checking step by step. I personally tend to make some very obvious mistakes when in theese kind of situations...

[bowsprit]

I tuned of the firewall--> it still does not connect.
Ping is ok.

re Wireshark: In the past I have had some really bad experiences with it including with Wincap -->So I don't install that anymore irrespective of where the download comes from.

Vistumbler v10.6.4 lists 27 AP's with signal strengths of 18% to 99%. on 2.4GHz
That just means the BulletM2 is not faulty, Now 'HOW TO MAKE IT CONNECT' is the million dollar question

[ispyisail]

Serial cable always works

[bowsprit]

RS232 cable?? How would you make the connection with RJ45 .
Or are you talking about something else

[ispyisail]

https://openwrt.org/docs/techref/hardware/port.serial

5v so need to purchase a special adaptor

The page listed above is makes a simple procedure seam complex.

[bowsprit]

I read through it. Very comprehensive: It would have been much simpler to just show a couple of wiring diagrams.

I have a couple of 4 pin & 6 pin ttl usb adapters in stock. No problems there.
But what I need to know is, if the 4 pins on the pcb are ttl or not. I prefer not to damage either unit at this stage.
#1 carries 3.3v , 2 is zero, 3 is 2.6v (probably Tx ??), 4 is gnd.
I cannot find any info for this online.

[ispyisail]

https://www.geektank.net/2011/01/how-to ... bullet-m2/

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J10 Pin Out

Picture on the top

from rtight to left pin out as 1, 2, 3, 4

1 GND

2 TXD

3 RXD

4 3.3 Volt

[bowsprit]

Back again...
I have Putty running on (Com12 115200 bps) the Bullet M2 via a FTDI232 adapter (connected in serial)
On hitting ENTER it shows : root@gargoyle:/#
For the rest it writes continuous lines like:
ar71xx_wdt_keepalive: 0xffb43480 ADR=b806000c

What do i put as a command to flash the new firmware eg : bs2m-webflash-firmware.bin ?

[Lantis]

That would generally indicate to me that the device is fully booted and you're at the command prompt.

2 options from there.
Try to just reset the password:

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passwd

Do a firstboot reset

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firstboot -y
reboot