The phone will not ask for a network unlock code. It will boot directly to the home screen with the new carrier's signal.

Aerix was a free, server-based unlocking utility that gained fame for its ability to unlock "A2" series Sony Ericsson phones (such as the C902, C905, W910, and W995) without requiring expensive hardware like the .

: Click the "Unlock" or "Flash" button. The software will prompt you to connect the phone while holding a specific key (usually the 'C' key or '2' key ) to enter flash mode.

. This opens the hidden "Personalize" menu where you can enter the code.

"Fixed: D riemann sum error in GDFS block 0052. Patched semc bootloader handshake. Now works for RED and BROWN CID2 units. No more security zone mismatch."