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How to Flash /Install (Software) Symphony H300 Plus firmware (Stock ROM)

How to Flash Symphony H300 Plus Stock Firmware using Qualcomm Flash Image Loader (QFIL)

Want to Install Stock ROM On Symphony H300 Plus ? If you own a Symphony H300 Plus smartphone and searching for the Stock Firmware then you are at the right place. Here i will guide you to install official stock Rom on Symphony H300 Plus smartphone. This guide is simple and easy to follow. We have listed the Official Stock Rom for Symphony H300 Plus below. Download the required file to either upgrade or downgrade your Symphony H300 Plus. This guide is followed by the Qualcomm Flash Image Loader (QFIL) method which is simple and easy. You can just flash firmware on Symphony H300 Plus using the Qualcomm Flash Image Loader (QFIL) method. Follow the steps carefully to flash the firmware on Symphony H300 Plus using the guide.

We ask you to read the steps before doing something wrong. “READ READ READ” Once you are done! Now you can download the Qualcomm Flash Image Loader (QFIL) , USB Drivers and the stock Rom from the below Pre-Requisite note.

Guide To flash Official Stock ROM On Symphony H300 Plus

Download the ROM which we have listed in this table below. This guide is helpful to those who are looking to Downgrade or upgrade your Symphony H300 Plus smartphone. You can anytime flash the stock Rom on Symphony H300 Plus. This guide is also helpful to unbrick the phone (revert back from death), you can install the Stock Firmware build to revert back to old version also. Also if you feel your Symphony H300 Plus lag or has any issue, then flash the stock firmware from the list below and save from situation. Stock Firmware doesn’t void a warranty on your device.

To install the Stock Firmware on Symphony H300 Plus, Please follow the guide and download the Rom . This guide is for How to Install Stock ROM on Symphony H300 Plus smartphone.

The Advantage Of Symphony H300 Plus Stock Firmware:

  • Flash Stock To Unbrick your Symphony H300 Plus
  • Flash Stock ROM to Fix the Bootloop problem1
  • Upgrade and Downgrade Symphony H300 Plus
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on Symphony H300 Plus
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.

READ THIS CAUTION:

So before jump into the manual upgradation setup, please make sure you have a good amount juice with at least 80% Charge. If not please charge the phone. Backup your phone in case if you need it later. If you brick the device we are not responsible. Do it at your own risk. Remember this guide is to update Stock ROM on Symphony H300 Plus.

Download Symphony H300 Plus Stock Firmware (Original flash file):-

Download Stock Firmware Rom

Flash Symphony H300 Plus Stock Firmware using Qualcomm Flash Image Loader (QFIL):-

Step 1: Donload and install Symphony H300 Plus USB Driver on your Computer (if you have already installed the Qualcomm USB Driver on your Computer then SKIP this step). How to Flash Symphony H300 Plus Stock ROM Firmware Step 2: Download and extract Qualcomm Flash Image Loader (QFIL) on your computer. After extracting, you will be able to see the following files: How to Flash Symphony H300 Plus Stock ROM Firmware Step 3: Now, Open QFIL.exe.How to Flash Symphony H300 Plus Stock ROM Firmware   Step 4: Once QFIL is launched, you will be able to see the following screen on your computer: How to Flash Symphony H300 Plus Stock ROM Firmware Step 5: Now, Switch Off your Android device. How to Flash Symphony H300 Plus Stock ROM Firmware

  • Step 6: Once your Symphony H300 Plus device is Switched Off, Press and Hold Volume UP Key and Connect the Device to the Computer using USB Cable.
  • Step 7: Now, In QFIL, Click on Browse Button and locate the Firmware (.mbn).

How to Flash Symphony H300 Plus Stock ROM FirmwareHow to Flash Symphony H300 Plus Stock ROM Firmware   Step 8: Once, you have added the firmware file, QFIL will automatically load the rest of the firmware data. Step 9: Now, Click on the Download button to begin the Flashing Process. How to Flash Symphony H300 Plus Stock ROM Firmware

  • Step 10: Flashing Process may take upto 10-15 minutes to complete.
  • Step 11: Once Flashing process is completed your Symphony H300 Plus device will be reboot automatically.
  • Thats It, We are done!. Now disconnect your Symphony H300 Plus device from the computer and setup everything on your device to use it.

Congratulations, Now you have successfully flashed the stock firmware on your Symphony H300 Plus using Qualcomm Flash Image Loader (QFIL)

Flash Symphony H300 Plus Stock Firmware using Qualcomm Flash Image Loader (QFIL) (video):-

Keep in Mind:

  • [*] Download Button Not Appearing? Download button will only become active when your Symphony H300 Plus Device is connected properly. Make sure you have installed the Qualcomm Driver and connected the device to the computer by holding the Volume UP key.
  • [*] Caution: Take a backup of your important data before using the QFIL Application, as your personal data will be deleted after flashing Symphony H300 Plus stock firmware using QFIL Application.
  • [*] Credits: Qualcomm Flash Image Loader is created by Qualcomm Mobility LLC. So, full credits goes to them for sharing the application for free.
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