iOS 8 Wi-Fi problems

WI-Fi problems on iPad Air, iPad mini with Retina display and iPhone 5S after upgrading to iOS 8. Typical results from OOKLA Speedtest before upgrade: Ping 17 ms, Upload 21 Mbps, Download 4.4 Mbps Typical results after upgrade: Ping 39 ms, Download 2.9 Mbps, Upload 0.47 Mbps iPad 2 with iOS 7.1.2 get 15 Mbps download and 4.4 upload on the same network. Resetting network settings on the iOS 8 devices did not improve the performance. Changing band on the router from 2.4 GHz to 5 GHz did give me back the speed on all devices. However the speed occasonally...

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iPad suddenly stopped charging

I have an iPad mini Retina, iOS 8.1.2, which is now out of warranty, but I got a serious problem with it: One day, while it was charging with an Apple original cable and wall charger, the "This accesory may not be compatible" message was displayed and, since then, it never charged again with any charger. I have cleaned the outlet and the cable itself for any lint, etc., but nothing changed. All the accesories are Apple-branded and original, so I don't understand why is this happening and I'm stuck with an useless, beautiful $400 brick. Thanks...

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