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QHSUSB_DLOAD - What is the protocol?

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By Camicia, Member on 16th March 2014, 05:48 AM
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This is the mode that can be forced on start or the only one available if the boot loader is damaged.
It is supposed to give some diagnostic about what is wrong with the phone and let you flash the boot loader etc.
Does anybody know how it works and what tools to use? Has anybody reverse engineered the protocol?
 
 
16th March 2014, 06:03 AM |#2  
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I suppose the internal documentation is in the Snapdragon data sheets available at https://support.cdmatech.com/ (see here: https://developer.qualcomm.com/forum...iscussion/6364 )
16th March 2014, 06:40 AM |#3  
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This seems to be a the documentation of a diagnostic tool: http://mon-nuage.net/E330/C7QDLTool%...uide_1.002.pdf
On page 38 it talks about "Qualcomm HS-USB Diagnostic 900E" driver.
Is this a good place to start?

This also looks juicy: http://forum.xda-developers.com/show....php?t=2086142
17th March 2014, 05:13 AM |#4  
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Thread closed as duplicate/triplicate/quadruplicate of QHSUSB_DLOAD - What is the protocol?. Please continue the discussion there.
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