5
By default Airplane mode disables all wireless frequencies on your device so that you can comply with airline regulations. This means that any radio frequencies relating to cellular, Wi-Fi and Bluetooth are disabled.
However, when your device is in Airplane mode, it is actually possible to manually enable Wi-Fi and/or Bluetooth. And, if you do, the next ...
3
Unfortunately not. As far as iOS is concerned, HDMI works at the device level, and responds according to the EDID of the display device - if the display announces via its EDID it handles audio as well, then the iPad will switch audio over to the display device, in accordance with HDCP and the HDMI spec.
1
Yes, you can use an iPad Pro to charge other devices, including an iPhone.
According to Apple:
To charge your iPhone or earlier-model iPad that has a Lightning port,
connect it to iPad Pro using the Apple USB-C to Lightning Cable. If
you have a Lightning to USB cable, you can combine it with the Apple
USB-C to USB Adapter, then connect the adapter ...
1
This Apple page checks support, warranty, and AppleCare availability for Apple products.
Entering an Apple device serial number, however, will also display that device's model and type. I just tried it with the iMac on which I'm typing this answer, and it returned the correct information. Should work as well on your mystery iPad.
EDIT: `This more specific ...
1
I found a variation of Nimesh Neema’s answer that worked. In his step 3, you can slide the 2nd row of icons to the left and there is a Save to File option. I created a folder in the Keynote icon (folder?) and saved the files there. Works for files opened from a website, and it works for files in an e-mail that are Viewed in a Browser. So, not quite what was ...
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