Prerequisite To Flash AG Chrome Ultra :-
- Download SP Flash Tool Newest SP Flash Tool is very useful utility for fixing soft brick or bootloop cases especially for the Media Tek devices. You could flash Stock or Custom ROMs of your choice.
- Download Mediatek Usb Vcom Drivers
- Download Android 4.4 Kitkat Stock Rom AG_Chrome_Ultra_MT6572_4.4.2.zip
Next you need to install drivers in order to connect your device properly, just extract Driver_Auto_Installer_v1.1236.00.zip, and double-click “Install.bat”, and it will automatically install the necessary drivers, and you need to allow permissions for these drivers to be installed.
AG Chrome Ultra Flashing With SP Flash Tool :-
Check your Phone battery, you should have at least more than 50% and switch off your phone.
Unzip both SP Flash Toolv5.1532.zip and Stock rom.zip
Install and launch SP Flash Tool as shown below :-
Next click on the “Scatter loading” button and locate the scatter text from the unzipped ROM earlier, as shown below :-
Now click the “Download” button and connect your device (in off state) to the PC or Laptop via USB Cable and immediately press Volume Up button momentarily, and your device will be detected accordingly and initiating the flashing process, as shown below :-
It will complete the flash process in a minute or so, and when it is complete and successful, you see the yellow full bar and a big check mark as shown below :-
Now, you can switch on your device.