Please take your time to read this page. It's not that long.

Latest firmware is 2019-11-11.

The firmware upgrade page on the support website shows how to upgrade with some videos.

To upgrade from the HotSpot web interface (method A - recommended), first download this bin file: firmware.bin. It's the same file for all In/Out net devices (version 1.x blue or version 2.0 green). Follow the instructions here.

If you can't boot your In/Out net device, you should upgrade using a microSD card (method C): first download the img file: flasher-1.x.img for version 1.x (blue net device) or flasher-2.0.img for version 2.0 (blue net device), burn it to the card using Etcher and then follow the instructions here.

The current firmware is available here: 2019-11-11.

All the past 2017-2018 firmwares are not available any more and are listed for reference: 2017-09-09, 2017-10-31, 2017-11-19, 2017-12-05, 2018-01-01, 2018-02-02, 2018-03-03, 2018-04-04, 2018-05-05, 2018-06-06, 2018-07-07, 2018-08-08, 2018-09-09, 2018-10-10, 2018-11-11 and 2018-12-12

The past 2019 firmwares are available: 2019-01-01, 2019-05-05, 2019-08-08, 2019-09-09 and 2019-10-10.