Ensure your phone is charged to at least 50%. How to Find the Sony G3312 FTF File
Even with careful preparation, you might encounter an error. Here are the most common ones and their solutions. Sony G3312 Lock Remove Ftf File
The "lock remove" function works because the new, freshly installed system has no prior lock configured. Once the flashing process is complete, the phone will boot up as if it's brand new, allowing you to set it up without entering any previous lock credentials. Therefore, while it removes the lock, it does so by performing a full factory reset. Ensure your phone is charged to at least 50%