Firmware upgrade for UBLOX SARA-R410M-02B round 2

Will Hologram be providing a mechanism to upgrade Novas to the u-blox firmware released in March? I am using a Hologram Nova connected to a Raspberry Pi. This device is prone to random disconnects from the AT&T Hologram network and descriptions in the firmware update imply that it addresses these types of issues.

As a follow up question does anyone know how to upgrade the Nova/Sara-R410M without Hologram support? It appears that the version that Hologram puts on my modem is L0.0.00.00.05.08 whilst u-blox has two updates available (L0.0.00.00.05.11 (Aug '20) and L0.0.00.00.05.12 (March '21). And there are clearly bugs (modem disconnects, etc…) that have been addressed in these later releases.