T-Mobiles Samsung Galaxy S Relay 4G (also known as SGH-T699) will now taste the Android 4.1.2 Jelly Bean goodies. Samsung and T-Mobile has started to unleash the 4.1.2 build T699UVBMC5, hitting devices earlier today. It might be a big surprise for there is non-specified changes and features from T-Mobile folks whatsoever on this update. It’s just Jelly Bean OMG! There should be something like Google Now, new lockscreen widgets and other improvements, just discover it out of your own.
So, if happens that you owned the Galaxy S Relay 4G, it is now live via Kies and OTA. Just hit your device settings> about device and check for update or download the latest Kies from Samsung. Your device should not modified or rooted prior to get this update according to t-mobile
T699UVBMC5 Stock Android 4.1.2 Jelly Bean
Here’s the stock for developers and advance users use, it’s a Odin flashable stock file.
Stock 4.1.2 T699UVBMC5