Open the dialpad and enter *#*#7378423#*#* . Navigate to Service info > Configuration > Rooting Status . If "Bootloader unlock allowed" says Yes , you can proceed.
The inclusion of a "Relocking" feature in this specific tool highlights a crucial aspect of the modding subculture: the safety net. Unlocking a bootloader was often a one-way street that voided warranties or broke proprietary features (like Sony’s X-Reality engine or camera algorithms). The ability to "relock" the device allowed users to return to a factory state, hiding their tracks for repairs or resale. It represented a sophisticated understanding of the device’s software architecture, proving that the community could master the hardware just as well as the original engineers. A Legacy of Customization
The filename itself is descriptive for those familiar with the modding scene.
tool lives on. It fostered a generation of self-taught developers and engineers who learned the inner workings of Linux and Android by tinkering with their Xperia handsets. Conclusion SE Bootloader Unlocking Relocking 1.6.7z
Some SE phones have disabled LTE bands (e.g., B28, B71). After unlocking: