All articles ← Knowledge Base Can I answer a call or listen to music while using Foursum? Can I pause and resume rounds? Can I set my phone to NOT receive calls or texts while playing? Change my settings Find other players How accurate are Foursum GPS readings? How can I set my home course on my profile? How can this be free? Is there a catch? How much battery life does it take to play a round? I found an error in the course data - what should I do? If I change phones, will I lose my data? Is playing with a GPS app permitted on the course? Is there a way to reduce sun glare on my screen? Keep score Start a round The "fairway hit" and "yards to centre" functions don't seem to work on some holes. Tips & tricks Track yardages View statistics What can I do to optimize battery life? What happens if my battery dies during a round? What if I don't get a strong GPS signal? What smartphones will Foursum work on? When will premium service be available? Where can I use Foursum? Why do distances sometimes change when I'm not moving? Why don't you employ aerial views of holes? Why is my handicap showing 36.4? Why won't my GPS work? Will I lose my data if I don't want to upgrade then? Will you share my activities on Facebook and Twitter?