iPad Cheat Sheet

Table of Contents

Email and SSL

Self-signed certs

Using a self-signed cert will prevent the iPad from connecting, unless the cert is loaded into the iPad. Solution: Copy the PEM file to a browser-accessible place, then surf to it: e.g.:


The iPad will then allow installation of the certificate. Once it’s installed, Mail should work.


Connect the iPad, select it in iTunes, and click the “Info” tab. For more info, see http://support.apple.com/kb/ht1386.

The UDID (Unique Device ID)

Courtesy of http://bjango.com/help/iphoneudid/:

Every iPhone, iPod touch and iPad has a unique identifier number associated with it, known as a UDID (Unique Device ID). Your UDID is a 40-digit sequence of letters and numbers that looks something like this: 0e83ff56a12a9cf0c7290cbb08ab6752181fb54b.

It’s common for developers to ask for your UDID, as they require it to give you beta copies of iOS apps.

Finding your UDID using iTunes:

Your UDID is now in the clipboard, so you can paste it into an email or message.

Side-loading .mobi Files to the Kindle App

NOTE: This doesn’t always work. If it doesn’t, it’s often easier to convert the .mobi file to an ePub file. Use the Calibre application (an open source Python GUI-based application), in that case: