JailBreaking iPhone 3GS - Questions

[Czar]

Hey, i know i am abit off the trend, but i want to JailBreak my iPhone 3GS, the problem is, this is the first time i'm owning any apple iPhone so i have a few questions in mind.

1 - If i ever wanted to take my iPhone to a nearby Apple Care center, would take void my warranty, or like confiscate my iPhone for jailbreaking?

2 - Is redsn0w safe to use for JailBreaking?

3 - Will JailBreaking corrupt my current data/files

4 - Will it void my Phone plan?

 

[WhatAmI]

Hey, i know i am abit off the trend, but i want to JailBreak my iPhone 3GS, the problem is, this is the first time i'm owning any apple iPhone so i have a few questions in mind.

1 - If i ever wanted to take my iPhone to a nearby Apple Care center, would take void my warranty, or like confiscate my iPhone for jailbreaking?

2 - Is redsn0w safe to use for JailBreaking?

3 - Will JailBreaking corrupt my current data/files

4 - Will it void my Phone plan?

1 - no, just restore it to factory settings before you bring it in for service
2 - yes
3 - no, just do a full backup before you embark on yr JB adventure
4 - no

 

[Czar]

1 - no, just restore it to factory settings before you bring it in for service
2 - yes
3 - no, just do a full backup before you embark on yr JB adventure
4 - no

Thanks for the quick reply. I know i may sound newbie, but how do i do a full backup. And if i ever needed to restore, how do i do it?

 

[WhatAmI]

Thanks for the quick reply. I know i may sound newbie, but how do i do a full backup. And if i ever needed to restore, how do i do it?

http://support.apple.com/kb/ht1414