Get better-quality sound quality from your iPhone with these simple tips. Want to get better sound quality from your iPhone? Are the speakers producing sub-standard audio, making your music or the soundtrack of films and games sound thin, tinny or crackly? Are you getting poor-quality audio through even good-quality headphones or external speakers? In this article we troubleshoot some of the major causes of poor iPhone audio quality, and help you to get the best iPhone sound possible. (See also:Apple needs to ditch audio skeuomorphism - it's time for new sounds) How to g