Flashtool 0.9.18.5 -
Flashtool includes a , which can extract the contents of a .sin file. For example, a system.sin file contains the Android operating system. The SIN Editor can extract it to an .ext4 (Linux filesystem) file, which can then be mounted on a PC for analysis or modification.
This software should only be used by advanced users or technicians. Novice users are advised to use the official Sony Companion software for updates and repairs to avoid voiding warranties or damaging hardware.
Developed by Androxyde, Flashtool acts as a third-party alternative to Sony's official (and now defunct) companion software. It communicates directly with the bootloader or flash stage of your device using S1 protocol commands.
What (if any) is your device currently showing? Flashtool 0.9.18.5
In the firmware selector window, highlight your device model on the left side to display the firmware version.
Revive phones stuck in a boot loop or showing a black screen.
Revive smartphones stuck in bootloops or showing the dreaded "software update failed" screen. Flashtool includes a , which can extract the contents of a
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This error usually happens when using a version of Flashtool that is too new or too old for the target firmware. If you encounter this on 0.9.18.5, ensure your FTF file isn't corrupted by redownloading it via Xperifirm. Stuck on the Sony Boot Logo (Boot loop)
April 2026 Version Reviewed: 0.9.18.5 (circa 2015–2016 era) Target Devices: Primarily Sony Xperia smartphones (Android 2.3 to 6.0.1) This software should only be used by advanced
Install the latest Android updates before they roll out over-the-air (OTA) in your region.
Flashtool 0.9.18.5 is an open-source software designed for Windows, Linux, and macOS platforms. It primarily deals with files. These files are the packaged image bundles of official Sony firmware.