U guys don't have rom dump so if u flash fly device's boot.img n something gets wrong then u will end up with a softbrick device.n u will have to go to service center only.
Now, what drivers are u all using???if u r using one of A75 then fyi, A75 is MT6573 device n ur A52 is MT6575 device.so find specific vcom drivers, they are available on internet n also SP Flash Tools version for MT6575...
@Anyone who knows about ADB,
if someone can get me system partition backup via ADB then may be I can create a system.img with su binary (root) n u can flash it via SP flash tools....
I m not owner of this device so only u people will have to test mods keeping risk of brick in mind...if once bricked i cannot help as we don't have rom dump...
But if this system.img trick works then that fellow can get whole rom dump for u n then rooting stock rom will be easy.
How to get system partition backup??
1) Via ADB, apply this command at the path of a empty folder.
adb pull /system/*
2) If u get it, then compress it using WinRAR n upload on mediafire for me to download.