Same problem.
Connection status: XHCI:HUB3:USB 2.00 High-Speed
Interface: UFI High-Speed
Serial number: 0011-8841-1667
Boot version: 1.04, FW version: 1.13 (Aug 19 2019 23:46:09)
Insertion test... Done
Init bus...
VCC: 3.3 V, VCCQ: 1.8 V
Bus: 1 bit (SDR 3MHz)
Access mode: sector mode
Power supply: dual-voltage (1.70-1.95V, 2.7-3.6V)
Card/BGA: BGA (Discrete embedded) - High density MMC
Manufacturer ID: 0x15 (Samsung)
Product name: CUTA42 (0x435554413432), rev: 0x00, serial number: 0xE792E8F9
Manufacturing date: Apr 2019
CID: 15010043 55544134 3200E792 E8F946DE
CSD: D0270132 0F5903FF F6DBFFEF 8E40400C
EXT_CSD revision: 1.8 (MMC v5.1)
Partition info:
Boot1: 4096 KiB
Boot2: 4096 KiB
RPMB: 16384 KiB
User area: 58.24 GiB(62,537,072,640 bytes)
Factory erase... failed!
Reseting PART_CONFIG... [179]Failed to Switch (return code: 1, CMD Error: Timeout) !!!
failed!
Reseting BOOT_BUS_CONDITIONS... [177]Failed to Switch (return code: 1, CMD Error: Timeout) !!!
failed!