Hello all readers of allcydia.com! We have created a step by step guide that will help you when you backup iphone before you download cydia for ios 7. We strongly recommend doing a full back up of your idevice once bi-weekly. In the event that something should happen to your contacts, pictures, videos etc when jailbreaking ios 7 you will have a backup.
So please check out our guide on how to backup iphone and check out the cydia apps we recommend to keep your backups on a jailbroken iphone easier.
Check it out here: