? Improved root operation for the following models:
– D820, D820BK, D821,
– H790, H790T, H791, H791F.
* In order to perform “Deactivate Kill Switch” operation, please follow the next steps:
Attach a testpoint as shown on figure in the manual and connect your phone using Micro USB cable (do NOT use any USB hubs!). For some firmware versions perform the following steps to put a phone
into “Qualcomm-Mode”: press and hold “Vol+” button, connect a phone directly to PC via Micro USB cable.
Check PC Device Manager, a new device should appear “Qualcomm HS-USB QDLoader 9008” or “Unknown Device” if you hadn’t installed the driver yet. Drivers are available in Installation Folder.
Release testpoint and press “Deactivate Kill Switch” button.