Once the console says "Flashing finished" and "Phone rebooted," you can disconnect the cable. The first boot may take up to 5 minutes—this is normal.
For more official support and software repair, you can also use the Sony Xperia Companion tool to reinstall the official software automatically. Once the console says "Flashing finished" and "Phone
No. Stock FTF cannot restore lost DRM keys. If you unlocked your bootloader and didn’t back up the TA partition, the camera low-light performance and noise reduction will remain degraded. This is permanent. This is permanent
Note: Steps reflect common Flashtool workflow for Sony FTF files. UI wording may vary by Flashtool version. or manually update/downgrade firmware
If you need to restore your Sony Xperia XZ Premium (model – Single SIM) to its original factory state, unbrick it, or manually update/downgrade firmware, the FTF firmware file flashed via FlashTool (by Androxyde) is the safest, official method.