All-in-one-sony-unlock-free-s1-unlock-tool-100-working-onlinemobile-software -

Often referenced in tutorials for hard-locked devices, this often refers to SETool2 , which is a professional, paid hardware/software suite used by mobile technicians rather than a free online tool.

If you are looking to unlock your Sony device, it is highly recommended to use official or verified professional methods: Often referenced in tutorials for hard-locked devices, this

For screen lock issues (forgotten PIN/Pattern), the Xperia Companion software can perform a "Software Repair" to reset the device, though this erases all data . this often refers to SETool2