Want the answers to questions about the iPhone? You'll find questions and answers here.
i have an iphone 5s and the battery is draining quickly
i have restored the iphone and i still have the same problem.
Perhaps these suggestions will help:
One final unconfirmed possibility:
i did all these tips. still the same
If you have restored the iPhone to factory settings and are using only the built-in apps and the problem persists, your iPhone may have a defective battery. Call Apple Support or make an appointment at an Apple Store and have the issue evaluated.