Samsung Galaxy S23 Network Compatibility Guide for Travelers (UK → EU/US)
Reality Check: What Users Think is Happening You pack your Samsung Galaxy S23 for a trip from the UK to Europe or the US, expecting everything to work seamlessly. Most users assume that enabling roaming and leaving “5G/4G auto” active is all that’s needed. Full signal bars, instant data, smooth calls—the works. But reality is far messier. Differences in frequency bands, carrier provisioning, and regional network policies mean the S23 can struggle with connectivity abroad, even when the device itself is perfectly functional. People often think that because it works flawlessly in London or Manchester, international roaming will be identical. That expectation sets them up for frustration, especially when calls drop, mobile data slows, or the phone sticks to 3G in unfamiliar cities. What Actually Breaks Most Often Three main factors cause cross-border network compatibility issues: 1. Frequency Bands & 5G/4G Support (Technical-Focused) The S23 supports multiple LTE and 5G ...