A TOP iPhone expert from Apple HQ has revealed her clever tricks – including how to unlock secret emoji and fix ruined pics.

She covers tips and tricks for apps ... Is there a difference between each different colored heart? Does the peach emoji actually mean fruit anymore? Here's how to figure out what all 3,790 ...

in addition to a few standard tips for those new to the service. It is possible to do a similar thing in WhatsApp, although ...