Thank you for your inquiry regarding the Android 14 update for your device (SM-S918U).
This model is a USA carrier version, and software updates are released according to the original carrier network. If the device is used outside the supported network, updates may not be received over the air.
You may try updating the device using Samsung Smart Switch on a computer: Connect the device via USB → Open Smart Switch → Follow the update instructions if available.
Please note that installing unofficial software or flashing firmware may affect device performance and warranty.
