X3 1st gen A: or TF1: B: or TF2: A: and TF1 are for the internal memory B: and TF2: are for the micro SD card
X1 1st gen, X3 2nd gen A: or TF1:
X5 1st gen, X5 2nd gen A: or TF1: B: or TF2: A: and TF1: are for the card in card slot 1 B: and TF2: are for the card in card slot 2
X7 /mnt/internal_sd /mnt/external_sd /mnt/internal_sd is for the internal storage /mnt/external_sd is for the micro SD card
X5 3rd gen/ X7MKII /mnt/internal_sd /mnt/external_sd1 /mnt/external_sd2 /mnt/internal_sd is for the internal storage /mnt/external_sd1 is for the card in card slot 1 /mnt/external_sd2 is for the card in card slot 2
X1 2nd gen A: or TF1:
You need to update the firmware of your X1 2nd gen to the latest version for this to work
