It's ok don't stress time is our friend the more time the more apps available. And honestly you most probably won't ever even need to take it back for warranty honestly the amount of devices I use warranty on is probably not even 1% of all the devices I have ever bought in my life this is including tv, stereo, anything electronic etc.......
Sent from my GT-I9305 using xda app-developers app
Iphone 3GS >> Iphone 4 >> Samsung GS3 I9300 >> Samsung GS3 I9305 LTE >> Samsung GS4 I9505 LTE
Galaxy S4 (Rooted+DeBloated+themed+UV)
QuadBEAST @ 2.1ghz x 4
Rom for SGS3 4G I9305