Q: Why Does my iPad can't connect to any phone?

The Bluetooth on iPad is meant for earplug, headset, keyboard, car hands-free set and speakers.

iOS: Understanding Personal Hotspot

http://support.apple.com/kb/HT4517

Use Bluetooth to tether your iPhone, iPod touch, or iPad

http://www.macworld.com/article/1159258/bluetooth_tethering.html

How to Connect an iPad to an iPhone Via Bluetooth Tethering

http://techtips.salon.com/connect-ipad-iphone-via-bluetooth-tethering-25472.html

Get a Mi-Fi http://en.wikipedia.org/wiki/MiF

 Cheers, Tom

I would like to tether an iPad mini retina wifi and am trying to pair it with an iPhone 5c, with no success. Do I have to have the Personal Hotspot active in order to do so?