I wonder is this possible or will it brick my phone? Currently I am experiment it with Stock XME ROM. Is it possible to downgrade it back to. The Galaxy Grand DUOS is a new high-end DUOS smartphone from Samsung that was launched about a month ago. The phone sports 5” LCD. The latest official firmware for the Galaxy Grand Duos I can now be downloaded - XXAMC7 Android - from Samsung KIES. This new.

This firmware is for Galaxy Grand Duos GT-Ii smartphone with Broadcom BCM CPU. Galaxy Grand Duos GT-Ii. Download. Hello Guys thanks for reading my post and helping me on this. So i want to downgrade from to (,2 is very slow.. atleast on my. Samsung recently released another Android Jelly Bean firmware update with base firmware XXAMF5 for the owners of Samsung Galaxy Grand Duos. The Galaxy Grand DUOS is a new high-end DUOS smartphone from Samsung that was launched about a month ago. The phone sports 5” LCD. An update XXAMB3 Android official firmware is available to download for the Galaxy Grand Duos I model. To install this firmware tips are given. Galaxy Grand Duos I Stock Rom for Afghanistan. Afghanistan Model: GT- I Country: Afghanistan Version: Android Changelist. I wonder is this possible or will it brick my phone? Currently I am experiment it with Stock XME ROM. Is it possible to downgrade it back to. The latest official firmware for the Galaxy Grand Duos I can now be downloaded - XXAMC7 Android - from Samsung KIES. This new. Samsung has released a yet another firmware update; XXAMCE Android Jelly Bean Official Rom for Galaxy Grand Duos I The ROM.