4. How to enter Qdload(= Qualcomm Download) mode (1)
BoardDiag diagnosis SW
operates only in Qdload mode. Upon initial USB cable connection, do the following to send it to Qdload mode if no
port or USB serial port is held.
Upon initial USB cable connection, don’t do the following if it’s already in Qdload mode.
Use either way below(#1 recommended) to connect the USB cable while the pin is grounded.
Check out the Device Manager for ports(COM or LPT). If Qualcomm HS-USB Qdloader 9008 port is activated, Qdload mode is successfully
ready to work!!
As for the USB cable, the SW download cable v2.1 (910K) for service is recommended!!
How to ground Boot Config switch (recommended)
2. How to ground EMMC SDC1_CLK resistance
It may depend on models. Basically, the pin of the
switch connected to
Boot_config_0 or Boot_config_6 is grounded.
The circuit diagram on the left shows Q6000 switch’s #
3 pin need be grounded.
It may depend on models. Basically, eMMC’s
SDC1_CLK resistance is grounded.
The circuit diagram on the left shows R24010
need be grounded.