10 of the best instant gadget hacks

3. Find your lost Android phone without tracking software
What can you do if you lose your Android handset and you haven't installed any tracking software? Surely it's lost forever, right?

Plan B to the rescue – this free Android app uses GPS to track your handset once you've sent a "locate" text to the pesky device. So if the phone's still on, you can go on a gadget treasure hunt.