WE A4 Official Firmware Flash File tested no passward

FILE=MT6570__A4__A4__6.0__MRA58K__MRA58K__zechin6570_cweg_m

   Patch Level    : MRA58K
Display ID     : MRA58K
Ver. CodeName  : REL
Ver. Release   : 6.0
Sec. Patch     : 2017-11-05
Build Time     : 1510199746
Product Model  : A4
Product Brand  : A4
Product Name   : A4
Product Device : A4
Product Board  : MT6570
Product Manfct : A4
Board Platform : mt6570
Product Info   : zechin6570_cweg_m

How to flash stock firmware rom (flash file)

Step 1: Download and extract the firmware on your computer.

Step 2: After extracting you have to download SP Tool if you already have skip this step.

Step 3: Install the USB Driver (Skip if drivers are already installed).

Step 4: Open SP Flash tool and load the Scatter file from the firmware Folder.

Step 5: Click on Upgrade / Download Button in the Sp flash tool to begin the flashing process.

Step 6: Connect your smartphone to the computer using the usb Driver.

Step 7: Green Ring will appear at the end of successful Flash.