Access and flash Sony phones ranging from X10 to Xperia Z Ultra. The utility checks the availability of the firmware compatible with the S1 protocol and performs automated procedures. Unlocking the bootloader is possible. Partial flashing of selected components is available.
Download of FlashTool 0.9.33.0 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular version among FlashTool for Mac users is 0.9. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac app was originally produced by Androxyde.
From the developer:
Flashtool is S1 flashing software that works for all Sony phones from X10 to Xperia Z Ultra. They all use the S1 protocol for flashing firmwares. Flashtool can also easily unlock the bootloader of the phone using the BLU icon as far as the bootloader of your phone is unlockable.