What samsung needs to fix and in the android 4.2 update

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http://forums.androidcentral.com – 1) Homescreen redraws occasionally. Im confident this shouldnt happen as it didnt happen on the S2. 2) When adding NFC to the quick toggles, it appears blank and cant be used. 3) When in the camera and pressing the little thumbnail of the photo taken, takes quite some time to access the photos. I would a also like to be able to access the gallery straight from the thumbnail so i could delete pictures quickly rather than deleting one by one. 4) The stock phone and contacts app have a long startup time which i think is unacceptable since people use them alot and they should be readily availab (HowTos)