Sony C6802 Lock Remove Ftf -

Download a stock Sony firmware for C6802. Recommended builds:

Where to find it: XDA Developers Forums (Xperia Z Ultra General section) or a trusted firmware repository. Look for files named: C6802_14.6.A.1.236_Customized_*.ftf. Avoid "Global LTE" files meant for C6806. sony c6802 lock remove ftf

Prerequisites:

Procedure Overview:

Device: Sony Xperia Z Ultra (C6802 – 3G variant)
Subject: Using FTF (FlashTool Firmware) files to remove a network/SIM lock.
Verdict: FTF firmware alone cannot remove a permanent network SIM lock.
FTF flashing can only: Download a stock Sony firmware for C6802

Permanent removal requires a carrier unlock code or a specialized tool/box (e.g., Setool, Octopus Box) that modifies the device’s trim area (TA partition) – not contained in an FTF file. Where to find it: XDA Developers Forums (Xperia