iOS 7.0.3 (build 11B511) is an official Apple over-the-air update for the iPhone 4 (GSM / 2012), released on 2013-10-22T19:59:31Z. The update package is 1.11 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a6e93930e99e29dfcc26a2c6d1d1f24cfc6af0d1.zip.