Most consumer devices use standard password locks. The "3DI" branding is somewhat marketing hype. Check your device’s firmware logs for terms like "TCG Opal" or "SED" (Self-Encrypting Drive).
The core business model of 3diunlocker is SIM/Network Unlocking . Mobile carriers often lock smartphones to their specific network to subsidize the cost of the device. 3diunlocker claims to bypass these restrictions, allowing users to insert SIM cards from different carriers. 3diunlocker