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Sorry for the late response. It was late where I was. &nbsp;I'm resetting my network settings now
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Tried resetting the network settings on both. Did not work. &nbsp;I'll try the roll back. <br />
How do I find the ipad model?
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The reset of the network settings and after that the reboot of both the devices and my router in that combination worked.<br />
Thanks, I'll split solution
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My iphone and pad will not connect to my home network after I updated. &nbsp;It asks for the password and it wont accept it. other devices work on this router, just not my updated stuff.
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My iphone and pad will not connect to my home network after I updated.  It asks for the password and it wont accept it. other devices work on this router, just not my updated stuff.

can I roll back my ipad and i phone from the 9.2.1 latest update?

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

iPad is an iOS-based line of tablet computers built around the device's multi-touch screen, including a virtual keyboard. The iPad includes built-in Wi-Fi and cellular connectivity on select models. An iPad can shoot video, take photos, play music, and perform Internet functions such as web-browsing and emailing. Other functions – games, reference, GPS navigation, social networking, etc. – can be enabled by downloading and installing apps.