If the data icons appear but you have no internet, your Access Point Names (APN) are likely missing or incorrect. This happens frequently after SIM swaps or software glitches.
Turn your device off, wait 15 seconds, and turn it back on. This clears temporary system glitches that might block data. lg g3 data not working us cellular
User opens U.S. Cellular’s “My Account” or “Support” app → selects “Data Not Working” → chooses device model “LG G3.” If the data icons appear but you have
Tap and check if a "Limit mobile data usage" box is checked. If it is, and you've reached the limit, your data will be cut off automatically. 3. Reset Network Settings wait 15 seconds