Masstel N520 SP7731C Android 6.0 Official Firmware Flash Files
Readme Once: Take a Backup: If you are going to flash the above Firmware on your Masstel N520 SP7731C device, then take a backup of important data such as Contacts, Call logs, SMS, and other data as because your personal data will be deleted after flashing the stock firmware.
2- Bin Packet load Error: If you ever got Bin Packet Error then simply download and try flashing the firmware with this version of SPD Upgrade Tool.
3- How to Write IMEI: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI on Spreadtrum Devices.
The firmware shared on this page is officially released by the company and helps you to recovery your Phone if you ever got bootloop, software error, update error, hanging,Unknown Baseband, IMEI Null and dead issue.
How To Flash Masstel N520 SP7731C Android 6.0 With Spreadtrum Upgrade Tool :-
Setp 1. Install Spreadtrum Drivers.
Step 2. Install SPD Download Tool.
Step 3. Open the Research download tool > bin folder.
Step 4. Launch ResearchDownload.exe.
Step 5. Click on the Load Packet icon (top left corner).
Step 6. In the window that pops up, navigate to the location of the .pac file, select it then click Open.
Step 7. The PAC file should now be loaded (its name should appear at the top).
Step 8. Click the Settings Icon (top left corner).
Step 9. In the box that pops up, untick any item(s) you do not wish to flash then click OK. Ignore this step if you wish to flash all files.
Step 8. Click the Start downloading button.
Step 9. You should see Waiting…. under the Progress bar.
Step 10. Switch off the phone (still with battery inside) then connect it to the PC via USB cord (note that you might need to hold the volume decrease button while connecting to PC on some phones) and flashing should begin. DO NOT interrupt.
Step 11. Once flashing is complete, you’ll see Passed.
Step 12. Click on the Stop downloading icon then disconnect the phone from PC and boot.