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If using Newflasher, copy the Newflasher executable file directly into the folder where your extracted firmware files are located. If using Flashtool, place the firmware file into the C:\Users\YourUsername\.flashTool\firmwares directory. Step 4: Boot Your Device into Flash Mode Power off your Sony device completely. Press and hold the button.

Deep-rooted malware, spyware, or adware can sometimes embed itself into the system partition. A standard factory reset won't remove these threats, but flashing a fresh service file completely overwrites the compromised partitions. 3. Unlocking and Resetting

Select the icon and choose either Flashmode or Fastboot mode based on your file type (usually Flashmode for .ftf files). Select your extracted Sony S1 firmware file from the list.