here is my logs
Connection status: NUSB3HUB:USB 2.00 High-Speed
Interface: UFI High-Speed
Serial number: 0011-8839-9052
Boot version: 1.04, FW version: 1.10 (Mar 26 2017 14:24:34)
Insertion test... Done.
Init bus...
VCC: 3.3 V, VCCQ: 3.0 V
Bus: 1 bit (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: MAG4FA (0x4d4147344641), rev: 0x12, serial number: 0xEF0802CB
Manufacturing date: May 2011
CID: 1501004D 41473446 4112EF08 02CB5EE4
CSD: D0270132 0F5903FF F6DBFFEF 8A404066
Failed to read EXT_CSD !!!
