Standard flashing protocols check the device's current "Rooting Status" before writing to protected partitions. However, the lock removal process described involves:
Standard stock FTF will not bypass lock security. You need to build a hot FTF: e6833 lock remove ftf hot
Select a "Generic" firmware (e.g., Middle East Generic or Singapore Generic) and click the software number to download. e6833 lock remove ftf hot
Warning: modifying or bypassing device locks may void warranties and can be illegal if you’re not the device owner. Only perform the steps below on devices you legally own or have explicit permission to repair. e6833 lock remove ftf hot