below the direct link to download stockrom (firmware) file from google driver or oneclouddriver or ….
stockrom contains flash tools , driver and tutorials …
ZTC 6234 CPU SC6600L2 Flash NOR ST M30LOT7000TO
Howto flash rom:
Guide for SP Flash tools :
1. download and extract the stockrom on your computer
2. install all driver for your mobile , and run SP flash tools
3. after run SPflash tools , you load the scatter file from the stockrom folder.
4. connect your phone to the computer via USB cable
5. click on upgrade/download button in the SP flash tools
6. waiting and when Gren ring will appear at the end of successfull flash .
done and goodluck .
Install with SP MDT:
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 MT6580_Android_scatter.txt file (it’s 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.
Guide For Flash .Pac Stock Rom on Android Smartphone
Step 1: Download & Install Spreadtrum Android USB Drivers on your Laptop or Computer. If your computer Already have Spreadtrum Driver then SKIP this Step.
Step 2: Download your Device Compatible Stock Firmware (.pac) for your Android Device.
Step 3: Now, Run The UpgradeDownload.exe. in SPD Tool
Step 4: Once Spreadtrum Upgrade Tool SPD is Fully launched, connect your Android Smartphone to the computer or Laptop (Confirm That your device is switch off).
Step 5: Once your Android Device is connected successfully with the computer, Now click on the Load Packed Button Option and add the .pac Firmware file (stock Firmware which comes as .pac).
Step 6: After you have successfully added the .Pac Firmware file in Spreadtrum SPD Upgrade Tool, Now Tab on the Start Downloading button to Start the flashing.
Step 7: During the flashing procedure your Android device will restart automatically. Once Firmware flashing is completed, you will see the Green Passed Message Option in The SPD Spreadtrum Upgrade Tool.
Step 8: Now Congrats you have successfully flashed your Android Smartphone using via SPD Spreadtrum Upgrade Tool. After Then your Android Device is successfully restarted, Go to Settings > About Phone > Check firmware version.