Modifying your phone's firmware voids the warranty and carries a risk of permanent hardware damage. The author assumes no liability for bricked devices, lost IMEIs, or data loss. Proceed at your own risk.
A: No. Flashing stock firmware does not SIM-unlock the phone. Network unlocking is controlled by a different partition (NVRAM). You still need an unlock code from Telcel. Wiko-T3-W-V770-Telcel.rar
A: Possibly. If the preloader is dead, you need a Mediatek "Auth Bypass" tool (like MCT or UnlockTool) before using this .rar file. Standard SP Flash Tool cannot revive a fully dead preloader without authorization. Modifying your phone's firmware voids the warranty and
If you encounter a specific error not listed here, consult the XDA Developers forum under the "Wiko T3 (Coconut)" thread, or leave a comment below with your SP Flash Tool error log. You still need an unlock code from Telcel