This is the most critical step. Many websites offer fake or virus-ridden files. Do not download from random torrent sites.
If you cannot find a dedicated “lock remove” FTF for the G3312, do not panic. You can still achieve the same result using a standard stock FTF: Sony G3312 Lock Remove Ftf File
Pros: 100% safe, no risk of malware.
Cons: You lose all data. This is the most critical step
For FRP only (Google account lock), you can also use tools like SP Flash Tool with a scatter file, but that is far more complex than using an FTF. Pros: 100% safe, no risk of malware
Since G3312 has a MediaTek (MTK) CPU, you can use tools like:
These can remove the lock without wiping data by exploiting a bootrom vulnerability. This is NOT an FTF file — it’s a software patch over USB.
Note: This wipes all user data. Your Google account will still require the previous device password if Factory Reset Protection (FRP) is active.