SE Bootloader Unlocking and Relocking: Navigating the 1662 Patched Landscape
Before attempting any modifications, verify that your device allows bootloader unlocking. Check Unlock Status : Open the dialer and enter *#*#7378423#*#* Service info Configuration Rooting Status Requirement : It must say Bootloader unlock allowed: Yes . If it says
The term typically refers to a security update or a specific hardware SKU where the standard fastboot oem unlock commands are blocked. In older Sony models, certain "S1" security revisions (like those around the 1662 mark) were famously difficult to bypass.
Unlocking your bootloader offers several benefits: