Before you attempt the better lock removal, gather these:
Warning: Flashing the wrong FTF can hard brick your SO-33J. Do not flash G8141 FTF without stripping the partition loader (
boot_delivery.xml).
Cause: Flashtool database lacks SO-33J signatures.
Fix: Manually edit C:\Flashtool\devices\G8XXX.properties. Add line: G8141 = SO-33J. Restart Flashtool. sony sov33 lock remove ftf better
Flash the modified FTF:
After flashing, reboot the device. For SIM lock removal, insert a non-au SIM card. The patched firmware should skip carrier validation. For screen lock, the device will boot without any PIN/password prompt. Before you attempt the better lock removal, gather these:
Sometimes the SOV33 is stubborn. If the lock remains after flashing, try these "better" advanced steps.
Unlike global variants (G8141, G8142), the SO-33J is locked at the firmware modem level. NTT Docomo integrates the SIM lock deep within the amss (Advanced Mobile Subscriber Software) partition. Even after rooting or flashing global ROMs, the lock persists because the radio firmware checks a proprietary Docomo certificate on every boot. Warning: Flashing the wrong FTF can hard brick your SO-33J
The "Normal" Way (Worse):
The "Better" Way (This Guide):