does rooting the phone delete anything? can i do it on my hone as it is now or do i need to format it i dont want to lose my contacts or anything
Yes it does delete stuff, but nothing you will notice by only rooting. Visit the hacking section and read the sticky threads until you understand how to root, how to make backups in case something goes wrong, and decide what you are rooting for so you can take a good path to get you your desired results.
If you apply a rom or theme - backup first!
If you don't know how to backup...Stop until you do.
hint: I name my backups like this: sg6.0_20100428 or ss4.2_20100626 to easily find them later. rom and date.
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