sf4008 login: root
root@sf4008:~# sfdisk -d /dev/mmcblk0
label: gpt
label-id: 61103247-9803-415D-99F3-BFCA99B1D2E6
device: /dev/mmcblk0
unit: sectors
first-lba: 34
last-lba: 7634910
/dev/mmcblk0p1 : start= 2048, size= 4096, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=EA376204-E23D-4B93-875C-155AEF40BFFC, name="splash"
/dev/mmcblk0p2 : start= 6144, size= 32768, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=74F66D80-EEE1-43E1-AFF7-B0B3EDB4B4E0, name="update"
/dev/mmcblk0p3 : start= 38912, size= 24576, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=3D483476-6A1E-43BD-B201-8D74A94144F1, name="kernel"
/dev/mmcblk0p4 : start= 63488, size= 7569375, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=89BC13BE-4DA7-4855-A011-971AB4F5AA0A, name="rootfs"
root@sf4008:~#