Test your device to ensure that the lock has been removed.
An FTF file is a type of file used by Sony's Flash Tool to flash firmware on Sony devices. It's a compressed file that contains the firmware, which can be used to restore or update the device's software. In the case of unlocking the Sony G3311, an FTF file can be used to remove the lock and restore access to the device. sony g3311 lock remove ftf link
The Sony G3311 is a mid-range smartphone released by Sony in 2017. It features a 5-inch HD display, a 1.3 GHz quad-core processor, 1GB of RAM, and 16GB of internal storage. The device runs on Android 7.0 (Nougat) and has a 5MP rear camera and 2MP front camera. Test your device to ensure that the lock has been removed