I wanted to ask if is it safe to download files ie zip rar files from sites such as medifire Dropbox mega directly on your iPhone and unzip and use them?! PS it's schdeni"s Iwidget jelly bean . I am away from my laptop for a few days .. It looks awesome i want it ..So wanted to ask if I could directly dl from iPhone unzip it and use?! IS IT SAFE?! Are there any chances of virus?!