Sometimes. For example, converting a T-Mobile LM-F100TM to EU open market firmware may work but can break 5G band support. Not recommended unless you know how to restore QCN.
When standard troubleshooting fails, the (also known as stock firmware or KDZ file) is your last and most powerful weapon. A flash file contains the original operating system, bootloader, modem, and system partitions that LG installed at the factory. lg wing 5g flash file
As of 2025, Android 12 is the final official OS for Wing. You can find builds like V30a for Europe or V30b for Korea. Android 13/14 are only available via custom ROMs (LineageOS). Sometimes