How to flash .kdz frimware without wiping data..?

[c_/\/\_k]

i need any gui tool for flashing LG G710emw..every time i flash from LGUP cmd.. it erases the whole phone.. there was a flash tool with graphics user interface..in which there was a option to select partitions.. i lost it some how.. now i am unable to find that tool.. if there is any then please post the link..

 

[manuhuelva]

Here is the link for lgup.
https://forum.xda-developers.com/showpost.php?p=82602571&postcount=75

---------- Post added at 12:14 AM ---------- Previous post was at 12:12 AM ----------

And a link for another .dll for if the included in the lgup1.14 doesnt work 4 u
https://drive.google.com/file/d/1V8IF2vJed3bQBsBCHLNBJdnW4gRj2uo0/view