Sony Mobile Flasher - FlashTool V0.9.29.0 Free Download (No Need Activation)

Flashtool V0.9.29.0 is an S1 flashing software that works for all Sony phones from X10 to Xperia Z Ultra. They all use the S1 protocol for flashing firmware.

This program was originally made to flash sin files downloaded by SEUS or PCC.
Based on a command-line tool written by Bin4ry (Andreas Makris), I brought a user interface to sin files flashing.
We worked together to add more features to the tool such as rooting methods implementation or TA backup/restore
Then I took the lead and got some advice and help from him occasionally on some features like rom cleaner or bootloader unlocking.
From time to time, sin files have been bundled into what is now well-known FTF (Flash Tool Firmwares) and more features have been implemented.
But flashing firmware is still the core of Flashtool (that is updated at least to follow Sony improvements around sin files) and the reason for its name.

Why should I use the flash tool?

  • Once bootloader unlocked, official sony tools do not work anymore.
  • Using official sony tools, you can only upgrade. No downgrade possible.
  • Using the flash tool, you can choose what to flash and what not to flash. This said many rooting scenarios are available implying kernel only downgrade to retrieve a patched rooting exploit and then flashback the right kernel.

Features Flashtool:

  1. Root your phone
  2. Install recovery, busybox, custom kernels
  3. Clean your rom (remove /system/apps of your choice) (Be careful, unless you really know what you do, do not modify the default list. This can make your phone stuck at the SE Logo)
  4. Clear Dalvik cache
  5. Optimize (install of JIT v2) (plugin for 2.1 phones only from 2010 line)
  6. Customize (installs apps found in the custom/apps folder of the flash tool)
  7. Edit any text file on the device
  8. Rebrand your device

Latest release (

C4 and C5 users please do not flash using Flashtool. It will brick the device. M5 users, please do use FSC when flashing or it will brick your device.

Technical Details and System Requirements

  • Supported OS: Windows 7/8/10
  • Processor: Pentium IV or higher
  • RAM: 1 GB RAM (2 GB recommended)
  • Free Hard Disk Space: 200 MB or more
Sony Mobile Firmware Download From Here

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