[Q] Go from FROYO to GINGERBREAD on already rooted Galaxy S 4G

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http://forum.xda-developers.com – How do I go from stock Froyo (Firmware version: 2.2.1) to stock GB (Firmware version: 2.3.6) on and already rooted phone!?!? Phone specs: Model: SGH-T959V Firmware: 2.2.1 Kernel: Build: FROYO.VUVKC1 I have CWM installed already Trying to upgrade to Gingerbread and possibly flash a ROM. Please haaaaaaaaaalp! (HowTos)