Here you can download the LGUP DLL for LG Q Stylus (aka LMQ710EM, LM-Q710) smartphone.
When you try to sideload the stock firmware onto LG Q Stylus with LGUP, You need to install this LGUP DLL for LG Q Stylus first.
The DLLs allow the LGUP tool to detect your phone’s model number and current software version. It is the protocol used for LGUP software to communication between your phone and computer.
If the DLL is not properly installed, The LGUP Tool will not be able to show the main screen which offers you the option to refurbish or upgrade your phone.
Download LGUP DLL for LG Q Stylus Q710EM
You need to rename LGUP_Q710[18.104.22.168].DLL into lgup_common.dll and then put it into the folder:
C:\Program Files (x86)\LG Electronics\LGUP\model\Common
If you experience any issues with LGUP TOOL and this LGUP_Q710[22.214.171.124].dll, please contact us at lgkdz@Hotmail.com