Install ROM:
Install with SP Flash Tool / SPD Upgrade Tool / Miracle / Aladdin / cm2 / Others Tools
1). Turn off the smartphone. Cable is not connected to the computer.
2). Remove the battery and insert it again
3). Connect your phone to a computer cable. The operating system detects a new device
4). Disconnect the cable from the computer.
5). Run SPMultiPortFlashDownloadProject.exe
6). Choose File> Open File Agent download and specify the file MTK_AllInOneDA.bin (it is in the folder SP_MDT).
7). Click Scatter File and select the _Android_scatter.txt file (its in the folder with the rom).
8). Click "Start all".
9). Connect your phone to a computer cable. The program should see and blink. If the phone is not detected, then unplug it from the computer,
 remove and insert the battery (if the battery is removable) and reconnect it to the computer.
10). After (OK) click Stop and disable any phone.
11). Completed.