For information on available variants, see the ConnectCore 6 product page.

See U-Boot files by variant for a list of U-Boot files associated with each variant type.

You can find the variant number of your module on the serial console boot log:

U-Boot dub-2017.03-r7.1 (Oct 02 2020 - 15:35:14 +0000)

CPU:   Freescale i.MX6Q rev1.5 1200 MHz (running at 792 MHz)
CPU:   Extended Commercial temperature grade (-20C to 105C) at 38C
Reset cause: POR
I2C:   ready
DRAM:  1 GiB
In:    serial
Out:   serial
Err:   serial
Model: Digi International ConnectCore 6 Single Board Computer.
ConnectCore 6 SOM variant 0x02: Consumer quad-core 1.2GHz, 4GB eMMC, 1GB DDR3, -20/+70C, Wireless, Bluetooth, Kinetis
Board: ConnectCore 6 SBC, version 3, ID 129
Boot device: MMC4
PMIC:  DA9063, Device: 0x61, Variant: 0x50, Customer: 0x00, Config: 0x56
Net:   FEC [PRIME]
Hit any key to stop autoboot:  0