Don`t worry , you need :
Requirements:
SpFlashTool link :download
Stock ROM for a5 Quad : download
GN_MTK_USBDriver_v1.1.0 full : download
1.Download all requirements files.
2.Install usbdriver.
3.Decompress Stock ROM .
3.Open SPFlashtool.
4.PressScatter-loading.
5.Select scatter MT6582_Android_scatter.
6.Disable PRELOADER
7.Press Download button.
8.Press YES button .
9.Turn off your phone.
10.Plug USB cable , the flashing process will be starting automaticaly.
11.Wait.
12.At ``Download OK`` message , you can un-plug USB cable (view image).
13.Turn on your phone and wait.
Thats all .
PS : Your phone don`t turn on? don`t worry!
Disassambley battery , plug battery and now press VOL UP + POWER
Press VOL - for scroll down and select with power key wipe data / factory reste , after scroll down and select option yes delete all user data., wait and now reboot phone .
Thats all .
PS : Your phone don`t turn on? don`t worry!
Disassambley battery , plug battery and now press VOL UP + POWER
Press VOL - for scroll down and select with power key wipe data / factory reste , after scroll down and select option yes delete all user data., wait and now reboot phone .