Team octoplus Help Jtag error gt-i8190


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Medusa JTAG Firmware version 1.1.0.
Medusa JTAG Hardware S256 revision D.
Detected TAP ID: 62286041, IR Length = 6.
JTAG speed : 2400 KHz.
VREF level : 1.77 V
CPU : ST-Ericsson U8500
Core ID : 4BA00477
ERROR[008]: Unknown flash device. Device No:ID = 0:00000000.
ERROR[035]: Target device has been powered off during connect.
Checking data…
Resetting target. Please wait…
Medusa JTAG Firmware version 1.1.0.
Medusa JTAG Hardware S256 revision D.
Detected TAP ID: 62286041, IR Length = 6.
JTAG speed : 2400 KHz.
VREF level : 1.77 V
CPU : ST-Ericsson U8500
Core ID : 4BA00477
ERROR[004]: Medusa Device Server did not replied to HELLO command.
ERROR[035]: Target device has been powered off during connect.