Unlocking the bootloader on a patched device can trip Knox, void your warranty, permanently disable some Samsung features (Samsung Pay, Secure Folder, etc.), and may brick your device if done incorrectly. Proceed at your own risk.
So a “1662 patched” bootloader is either: se bootloader unlocking relocking 1662 patched
In the tool, click Unlock BL . The process is automatic and takes a few seconds. 🔒 How to Relock Unlocking the bootloader on a patched device can
: In the "1662 patched" era, Sony and network operators implemented stricter checks. For many users, checking the service menu (via *#*#7378423#*#* ) reveals a dreaded "Bootloader unlock allowed: No" void your warranty
For legacy Sony Ericsson (SE) enthusiasts, the "1662 patched"