con này em repair boot nó báo thế này,nên em thử dump emmc xem có đc không ạ Checking data... Medusa JTAG Firmware version 1.1.0. Medusa JTAG Hardware S64 revision C. Detected TAP ID: 4BA00477, IR Length = 4. JTAG speed : 8000 KHz. VREF level : 2.80 V CPU : Samsung S5PC210 Core ID : 4BA00477 Storage Device: Samsung eMMC VYL00M Device ID : 00150001 Block size : 512 bytes Blocks : 30777344 Storage size : 14.7 Gb Opening "C:\Documents and Settings\Admin\Desktop\SAMSUNG_SHWM250S_Repair.mf" file... Writing BOOT section. Please wait... ERROR[018]: Logical block operation failed at 16 Kb (Hex address 0x00004000). Reason: Command failed.