Hot on the heels of iOS 10.3 is 10.3.1 and it is recommended that you update for security. Apple identified a risk that would allow someone who is close or nearby to run code on the Wi-Fi chip itself. As many of us use Wi-Fi in public places and in addition to assisting the location awareness of iOS devices, you should make sure to stop by the updates area on your iOS device and update now. Here is the info from Apple’s website:
Released April 3, 2017
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip
Description: A stack buffer overflow was addressed through improved input validation.
CVE-2017-6975: Gal Beniamini of Google Project Zero