i have allso same problam solution plz
Connection status: XHCI:HUB3:USB 2.00 High-Speed
Interface: UFI High-Speed
Serial number: 0011-8839-6940
Boot version: 1.04, FW version: 1.13 (Aug 19 2019 23:46:09)
Insertion test... Done
Init bus...
VCC: 3.3 V, VCCQ: 3.0 V
Bus: 8 bit (HS SDR 52MHz)
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: GD6BMB (0x474436424d42), rev: 0x01, serial number: 0x98C0D81C
Manufacturing date: Feb 2018
CID: 15010047 4436424D 420198C0 D81C2592
CSD: D0270132 0F5903FF F6DBFFEF 8E40400C
EXT_CSD revision: 1.8 (MMC v5.1)
Partition info:
Boot1: 4096 KiB
Boot2: 4096 KiB
RPMB: 4096 KiB
User area: 29.12 GiB(31,268,536,320 bytes)
Reading modem at 0x04000000-0x093FFFFF size: 84 MiB... Failed to read block 0x05400000:0 (return code: 1, CMD Error: Timeout)
cmd response: 0x900, card status: 0x0, card state: 4 (Card is in transfer state)
status: unknown (0)
--- Try to decrease the clock speed ---
--- Make sure the connection between BOX and eMMC stable ---
--- please try again (you may RESUME the read process) ---