[[BETA Release] Firmware 3.0]

This is what worked for me thanks to post from Alegria:

wget http://downloads.openwrt.org/releases/17.01.5/targets/ar71xx/generic/lede-17.01.5-ar71xx-generic-tl-mr30
40-v2-squashfs-factory.bin -O /tmp/lede.bin

Got an error:

mtd -r write /tmp/lede.bin linux
Could not open mtd device: linux
Can't open device for writing!

Then this worked like a charm:

mtd -r write /tmp/lede.bin firmware
Unlocking firmware ...

Writing from /tmp/lede.bin to firmware ...     
Rebooting ...
 

Now I am really thinking how to utilise my reclaimed Mark V.

[WiFi Pineapple Mark V - Any For Sale?]

I have one for sale in Canada, Ontario, GTA area.

Willing to meet for transaction.

[WiFi Pineapple Mark V - Any For Sale?]

This is new, not used, in original box with everything inside like came from factory.

Location - Toronto, Ontario, Canada.

Asking CAD40 or best offer.