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Using QFIL restore failing at "Download" step

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Trying to flash my Pro1-x back to stock from SFOS. 


I am hitting an error "

ERROR: function: sahara_rx_data:276 Unable to read packet header. Only read 0 bytes.

ERROR: function: sahara_main: 982 Sahara protocol error

ERROR: function: main:320 Uploading: image using Sahara protocol failed


I am not sure what my next steps are at all, so any assistance will be greatly appreciated. 

Edited by DillonM
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Update: tried with 2.1.5 version found in the GDrive share and received the same error.


I have been using a Surface 7 pro as my installation computer with a USB 2.0 hub attached to connect the phone. I am curious if the USB 3.0 port is still causing the issue despite the fact that a hub is attached. Going to switch to a different windows box to test this theory.

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Side note: during the extraction of the newly downloaded tar.gz files, I kept getting an error with the vmlinux file. maybe just my download or the computer so I will try both option on the other machine I am moving to test next


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A couple of things that might help, which helped me with the same error are:

- Use original USB cable

- Plug into a USB 2 port

- Setup everything first ready to go, then go into EFL mode last. There's a short timeout if you go into EFL mode first while you're setting everything up

- Disable driver signing verification in Windows

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