Saturday, 3 October 2015

LG G3 A (F410S) Test Point to force into QHSUSB mode (9008)



Hi All,
I have seriously borked my G3A in the process of rooting and unrooting it, and have somehow messed up the LAF partition and unrooted the phone at the same time. Now I have no way of re-rooting it, and since I cant root it I cant get permissions to reflash the LAF partition using 'dd'. Trying to get the phone into download mode just locks up the device and the PC doesnt detect it. I cant seem to get it into fastboot mode either, presumably because the LAF partition is not empty, its just broken.

So I cant update firmware, flash to stock, root the device, anything useful or fun at all...

The only way I can think of is to open up the phone and short the test point on the system board to get it into QHSUSB mode and reflash the entire thing using the tools that are out there for the G3. Does anyone know where the test point is on the G3A system board?

Or if you have any other suggestions as to how I might fix it, or force it into QHSUSB mode another way? most ways I know need root or DL mode in order to mess with the boot partitions but happy to be corrected.

Cheers,
Kane.



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