, removing a forgotten screen lock generally requires a full system reset or "flashing" the device with original firmware, which . Ways to Remove the Screen Lock
Sony Xperia M (C1905) Go to product viewer dialog for this item. Download C1905 Xperia lock remove ftf
: Use the Xperia Companion software on a PC. Select "Software Repair," and follow the prompts to reset your device. , removing a forgotten screen lock generally requires