Spreadtrum Flash Dumper – Free Tool for Unisoc Phones - 2026

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Spreadtrum Flash Dumper – Free Tool for Unisoc Phones (Backup, Unlock Bootloader, Unbrick)

Spreadtrum Flash Dumper is a small and useful computer tool made for Android phones that use Unisoc (Spreadtrum) processors. Many brands like Infinix, Tecno, and Itel use these chipsets in their devices. This tool helps users access important parts of the phone system.

With this program, you can perform operation like backup partitions, unlock the bootloader, root your phone, and even repair a bricked device. It is simple to use and does not require any money hardware boxes.

Features

  • Backup important partitions like nvdata, boot, vbmeta, and others
  • Backup IMEI / NV data safely before modifying the system
  • Unlock bootloader on supported Unisoc devices
  • Backup boot image for rooting
  • Prepare boot image for Magisk root
  • Flash selected partitions without flashing full firmware
  • Unbrick support for devices stuck after failed unlock or flashing
  • Support for PAC firmware flashing
  • Works with eMMC and UFS storage
  • Auto slot detection for easier flashing
  • Automatic device restart after process completion
  • Simple USB connection using volume key + USB cable
  • Completely free tool

What's New

  • Improved support for more Unisoc devices
  • Better partition backup stability
  • Improved bootloader unlock process
  • Fixed minor connection issues during flashing
  • Improved compatibility with latest Windows versions

How to Use the Tool

Backup Partition

  1. Open Spreadtrum Flash Dumper on your computer
  2. Set Mode Slot = Auto
  3. Select the partition you want to backup

Examples:

  • nvdata → IMEI / NV data
  • boot → for rooting
  • vbmeta → system verification
  1. Click Start Backup
  2. Press Volume Down on your phone and connect the USB cable

The backup process will begin.

When finished, the phone will restart automatically. The backup file will be saved in the backup folder.

Unlock Bootloader

  1. Enable OEM Unlock in Developer Options
  2. For Transsion phones, login to your account on the phone
  3. Turn off the phone
  4. Click Unlock Bootloader in the tool
  5. Confirm by clicking Yes

The process will begin.

During the process:

  • The phone may restart several times
  • The screen may stay black for a short time
  • You may hear connection sounds on the PC

Do not panic. Wait until the process completes.

When recovery mode appears, select Format Data.

Root the Phone

  1. Check your phone slot (usually Slot A) using DevCheck app
  2. Enable USB Debugging
  3. Install Magisk APK
  4. Patch the boot.bin file using Magisk
  5. Copy the magisk_patch.img file to your computer

Then run:

adb reboot bootloader
fastboot flash boot_a magisk_patch.img
fastboot reboot

Your phone will reboot with root access.

Unbrick Device

If your phone becomes bricked after unlocking bootloader:

  1. Open the backup folder created by the tool

Example:

spreadtrum_flash\backup_spl
  1. Select these files:
  • splloader.bin
  • uboot.bin
  1. Unplug the USB cable
  2. Select Mode Slot → Auto
  3. Choose the files in the tool

Example:

  • splloader → splloader.bin
  • uboot → uboot.bin
  1. Click Flash Selected

Now press Volume Up + Volume Down + Power and connect the USB cable.

The flashing process will begin and restore the phone.

Full Firmware Flash (PAC)

  1. Open the tool
  2. Select Flash PAC
  3. Choose storage type
  • eMMC
  • UFS
  1. Select the PAC firmware file
  2. Click Load Mapping

If the phone is stuck:

Press Volume Up + Volume Down + Power until you hear a click sound, then connect the USB cable.

Click Flash Selected and wait until the process finishes.

The phone will turn on automatically.

Download Spreadtrum Flash Dumper

You can download the latest version of the tool from the link below.

Download Link:
https://www.mediafire.com/file/80rdpjzsvsgz2gn/spreadtrum_flash_V30.zip/file

MIRROR

FAQs

1. Is Spreadtrum Flash Dumper free?

Yes, the tool is completely free and widely used by phone repair technicians.

2. Will unlocking bootloader delete my data?

Yes. Unlocking the bootloader usually erases all data on the phone.

3. Does this tool work on all Android phones?

No. It only works on Unisoc / Spreadtrum chipset devices.

4. Can this tool fix a phone stuck on logo?

Yes. If the problem is related to system partitions or firmware, flashing backup files or firmware can fix it.

5. Do I need drivers before using the tool?

Yes. You need to install Unisoc USB drivers so the computer can detect the phone properly.



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