The stock ROM is in single packaged T959VUVKJ6-REV00-home-low-CL694130.tar.md5 and can be flash on the phone using Odin in-case you are having any issues updating on Kies.
Code:# autogenerated by
T959VUVKJ6 T-Mobile (USA) Samsung Galaxy S 4G Android 2.3.6 Gingerbread Firmware Update Stock ROM
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Oleh
jackcode