Symphony H400 Flash File Symphony H400 flash file ROM (firmware) helps you install the OS on your Symphony H400 mobile device. The firmware also helps to repair any software issue. As well as, the stock ROM also allows you to remove any screen locks.

You will find the two mirrors (G Drive and AFH) links to download the Symphony H400 flash file (firmware) on the current page. We have shared this ROM as a zip package, including the Flash Tool and USB Driver.

Download Symphony H400 stock ROM (Official Firmware)

The Flash File ROM (Firmware) helps you reinstall Android Operating System on your Symphony devices. You also can Upgrade or Downgrade the version of android from the current version.

File Name: Symphony_H400_MT6735_6.0_V2.39.1.zip
File Size: 1 GB
How to Download: See Example
How to Use: Follow the Tutorial
Flash Tool and USB Driver: Click Here

Mirror 1 (AFH)

Mirror 2 (G Drive)

How To Flash/Install Firmware on Symphony H400?

  1. Download and extract Symphony H400 Stock ROM (Firmware).
  2. Then, install the Symphony USB driver on your computer. If already installed on your computer, then follow the next step.
  3. Firstly, open the flash tool. As well as follow the next step.
  4. After opening the flash tool, click on the firmware loading or scatter-loading button.
  5. Locate the stock ROM, then click on the Open button. As well as follow the next step.
  6. After locating the firmware successfully, then also click on the Start button.
  7. Now, connect your device to flash mode.
  8. Never disconnect your device during the flashing process.

See Full-Guidelines

About Symphony H400 Flash File ROM (Firmware)

[*] Released officially: This is an official ROM because Symphony shared it.

[*] Fix Hanging Logo Issue: The Symphony H400 firmware will help you fix the hanging logo issue. Similarly, it will help to repair the boot-loop problem.

[*] Fix Over-Hitting Issue: You also can fix the over-hitting issue. This firmware helps you to repair the over-hitting problem.

[*] Remove Screen Locks: If you forget your screen locks and can’t hard reset your device, the firmware also helps reset screen locks.

[*] Remove Any Virus: If any malware infects your Symphony H400 device. Then flash your device with this firmware. Of course, it will remove any virus/malware on your device.

Readme once

[*] Virus Status: The firmware package has no malware because we have scanned it using the Windows Defender before sharing it on GSM Classic.

[*] Caution: Take a backup of your photos, contacts, and documents before flashing Symphony H400 firmware. Because after flashing, your data will erase.

[*] Recommend: We recommend using the latest firmware and flash tool.

[*] Credits: Full credit deserved the Symphony Mobile. Because they created and distributed this firmware.

[*] Symphony USB Driver: We have shared some USB Drivers for connecting your Symphony devices to the computer. i.e., MTK USB Driver, SPD USB Driver, and Qualcomm USB Driver.

[*] Flash Tool: We have shared some flash tools for flashing Symphony mobile devices on the current page. i.e., SP Flash Tool, SPD Upgrade Tool, and QFIL Tool.