How To Flash Walton Primo EF4 Firmware File [ROM]

If your Walton Primo EF4 mobile has been damaged for any reason. And you want to fix it at home by flashing Walton Primo EF4 firmware. So your search on the Internet has ended. Today I tell you the easy way to flash Walton Primo EF4 firmware. By following which you can make your phone back to work again. Yes. All the following software are free of charge in this article.

Walton Primo EF4 Firmware

Remember this guide is also very much needed in case of upgrade or downgrade the Walton Primo EF4 firmware on Walton Primo EF4. First of all, download the software, Smartphone Flash tool on your PC and then flash your phone back to Stock ROM.

Now here we come with a full working guide on how to install Stock ROM and on Walton Primo EF4. Some cases, We have bricked our Walton Primo EF4, after that, we can bring back the phone (Unbrick) with the Stock Firmware anytime. Also if you think your Walton Primo EF4 lag or has a problem, then flash the Stock ROM through the list below and save from situation. Stock Firmware does not void a warranty on the Walton Primo EF4.

We will use the SPD Download Tool to unbrick the Spreadtrum Devices With Stock ROM Flash File. This tool is really very efficient. Just Follow the step by step procedure to use One Click Unbrick Tool and unbrick your SPD Phone.

The Benefit Of Walton Primo EF4 Stock Firmware:

  • Flash Stock To Unbrick your Walton Primo EF4
  • Flash Stock ROM to solve the boot loop issue
  • Update and Downgrade Walton Primo EF4
  • Unroot or Fix Bugs on the phone
  • To solve the lag or stutter on Walton Primo EF4
  • By flashing Stock ROM, you can fix software issues.
  • Revert back to stock to get your warranty.

Walton Primo EF4 Stock ROM Details:

  • Gapps File: Included
  • Device Supported: Walton Primo EF4
  • Tool Supported: SPD Flash Tool
  • Processor: SPD
  • OS: Android 6.0 Marshmallow


Walton Primo EF4 fash

Pre-requirements to Install Walton Primo EF4 Firmware:

  • Supported Phone: Walton Primo EF4
  • Charge your mobile: You may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

Take Walton Primo EF4 Backup:

Walton Primo EF4 Flashing Tool And Drivers:


  • Please Read and understand the Full Guide Before Flashing Walton Primo EF4 firmware.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to you or your device, resulting from the use of information in this guide.
  • Make sure that the USB drivers for your device are installed on the computer.
  • Your smartphone must have a 70–80% charge.
  • Make a backup copy of important data such as call logs, SMS, and other data, it is to if something goes wrong, your data is not affected.

Bin Packet load Error When Flashing Walton Primo EF4 Firmware: If you ever got Bin Packet Error then simply download and try flashing the firmware with this version of SPD Upgrade Tool.

How to Write IMEI After Flashing Walton Primo EF4 Firmware: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI on Spreadtrum Devices.

Instructions to Install Walton Primo EF4 Firmware:

  1. Install Spreadtrum Drivers.
  2. Install the SPD Download Tool.
  3. Open the Research download tool > bin folder.
  4. Launch ResearchDownload.exe.
  5. Click on the Load Packet icon (top left corner).
  6. In the window that pops up, navigate to the location of the Walton Primo EF4 firmware.pac file, select it then click Open.
  7. The PAC file should now be loaded (its name should appear at the top).
  8. Click the Settings Icon (top left corner).
  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.
  10. Click the Start downloading button.
  11. You should see Waiting…. under the Progress bar.
  12. 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.
  13. Once flashing is complete, you’ll see Passed.
  14. Click on the Stop downloading icon then disconnect the phone from PC and boot.

itel A16 Stock Firmware Flash File

Follow Detailed Instruction Walton Primo EF4 firmware Flashing With Spd Flash Tool.

Leave A Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Do NOT follow this link or you will be banned from the site!
Please disabled adblocker to keep our website live.After Disabled Click Refresh button
  1. Click on the "ABP" icon in the top-right of your browser
  2. Click on "Enabled on this site" to disable for