For Flash Stock Rom Acer Liquid Z520 dual sim with SP Flashtool caused by softwares damage, aplications error, hang, loading only / stuck on boot or bootloop and caused by rooting not stable.
We can fix Acer Liquid Z520 Dual Sim with upgrade or reinstal original stock rom for all of problem inside softwares Acer Liquid Z520.
More problem around softwares :
Forget email / gmail login
Stuck on loop
Dead phone after wipe
Dead after installer not suitable apk file
We must have been all need the files for flashing and repair Acer Liquid Z520 dual sim :
Sp Flash tool => Flashtool Versi 5 | latest version
Drivers for USB and Vcom => MT6582 usb driver and vcom driver
Stock Rom Original Acer Z520 can download => (Z520 dual sim)
|Stock Rom Acer Liquid Z520 dual sim flashing done|
Install Driver in the folders
Extracted Stock rom Acer Z520
Run The SP Flash tool.exe
Insert Scatter Loading file => input => MT6582_Android_scatter.txt
Do not check for Preloader
Click Download button in SP flash Tool Aplication
Turn Off Acer Z520
Do not Insert Battary
Press Volume Down and then Insert USB to Computer
Wait until really done.
Now can look the image how it run with sp flash tool flashing...
Hope will fix your problems.