Ignore Your iPhone's 'Service' Warning for Third-Party Battery Replacements
by David Murphy from Lifehacker on (#4MX45)

You don't have to replace your iPhone's battery at the Apple Store if you don't want to-a $69 fix from Apple if your newer iPhone is out of warranty. If you do purchase a battery elsewhere, however, your iPhone is going to warn you that your new replacement battery needs service. Don't stress about it. That's just an"