Riff box problem

[grgkushal]

Open serial port...OK
Connecting to the RIFF Box...OK
Firmware Version: 1.41 (RIFFBOX1), JTAG Manager Version: 1.65

Connecting to the SD/eMMC Card...ERROR
Set I/O Voltage reads as 2.80V, SD_CLK Frequency is 960 KHz

Connecting to the SD/eMMC Card Failed (ERR[0071], POS[0001])

always show this error. where is problem. i checked working phone same problem. how to solve this problem. help me.

[chlakh11787]

same probleme after update to 1.89

[Legija]

Follow this:
RIFF Box v1/v2 solution for CLK line problem - Unlock Forum - RIFF Box support forum

[Lewis-H]

Can happen due to numerous of reasons. Mostly it's caused by wrongly configured RTCK/TCK sampling value, or badly connected device. In some cases it can be caused by hardware failure on target device.



Solutions:

• Adjust RTCK/TCK sampling to lower value
• Recheck connection
• Check device hardware for problems

How to set RTCK/TCK :