Locate the options on the right side of the interface.

Using the Xperia Companion tool or FlashTool , you can flash a stock ROM.

If the standard unlock fails, particularly if the phone shows a "Network Subset" lock or a zero counter, the FTF flash method becomes the definitive solution. This method involves converting the SOV33 to the global F8131 firmware, often removing the carrier lock in the process.

Before proceeding, it's crucial to understand the serious implications of this method.

: A faulty data connection can interrupt firmware flashing mid-way, damaging the motherboard.

: Use a stable USB data cable connected directly to your computer's motherboard ports (rear ports on a desktop) rather than a USB hub.

Note: Checking these will delete all local files on the phone, which is mandatory to overwrite the secure lock configuration. Step 3: Flash the Firmware and Remove the Lock

: Secure the precise stock .FTF firmware file for the SOV33 variant or compatible unbranded firmware. You can fetch and compile these packages using utility tools like XperiFirm . Step-by-Step Guide to Removing Locks via .FTF