By default, Sony locks the bootloader to ensure security and system integrity. Unlocking it allows you to modify the core system software. Network Unlocking vs. Bootloader Unlocking
(For example, if your unlock key is "8D69AF7AA3854E6F", you would type fastboot oem unlock 0x8D69AF7AA3854E6F ). sony unlock tool download
Unlocking deletes the factory DRM keys. This can degrade camera performance (noise reduction algorithms may stop working on older models) and lower your Widevine L1 status to L3, preventing you from streaming Netflix or Amazon Prime in Full HD. By default, Sony locks the bootloader to ensure
Sony provides an official way to unlock the bootloader through its Developer World portal . This is intended for advanced users who want to install custom ROMs. if your unlock key is "8D69AF7AA3854E6F"