iOS 9.2.1
Unable to install, not connect to Internet after verified update.
wifi is excellent .
We need much more information to give you specific help. Tell us step-by-step, in detail what your actions are.
Tell us a Story
- with a beginning, a middle and end. We need to understand everything that you know and have experienced.
If this issue is new, tell us what immediately preceded its onset - add software, upgrade or update? New equipment?
Quoted from Apple's "How to write a good question"
To help other members answer your question, give as many details as you can.
- Include your product (device) name and specs such as processor speed, memory, and storage capacity. Please do not include your Serial Number, IMEI, MEID, or other personal information.
- Provide the version numbers of your operating system and relevant applications, for example "OS X 10.4.11" or "Safari 4.1.3".
- Describe the problem, and include any details about what seems to cause it.
- List any troubleshooting steps you've already tried, or temporary fixes you've discovered.
For a detailed "coaching", please see the User Tips Help us to help you on these forums and Writing an effective Apple Support Communities question
"Keep It Short and Simple" - Take your time... but be thorough - ÇÇÇ