Question: can ios 9.3.6 be updated?
Answer: The iOS 9.3. 6 update is available for the iPhone 4s and cellular models of the original iPad mini, the ‌iPad‌ 2, and the ‌iPad‌ 3, while iOS 10.3. 4 is available for the cellular version of the ‌iPad‌ 4 and the ‌iPhone‌ 5. These updates can be downloaded on eligible devices over-the-air through the Settings app.