Samsung has stated that S3 won't be receiving kitkat update because Galaxy S3 and S3 mini 3G versions come equipped with 1GB RAM, which does not allow them to effectively support the platform upgrade.
Duos also comes with 1 GB ram
I don't have any hope of kitkat update for grand ;(
Its not because of RAM its coz its old device and Almost 2 years old and according to Google upgrade will given for 18months and already it has got some major upgrades that doesn't mean that grand won't get update we might get since official never said that we won't get update when I contacted them they say they r testing and RAM kitkat can operate at 512mb of RAM without any issue... but still it's SAMSUNG
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