S5660DXKT4 Asia firmware update for Samsung Galaxy Gio Android 2.3.6 Gingerbread

Asia version of Samsung Galaxy Gio GT-S5660 is getting the Android 2.3.6 Gingerbread firmware update with build number S5660DXKT4. This is an update from previous build Android 2.3.4 S5560DXKP6. The build date is December 2011 and more likely hitting on all South East Asian countries like Singapore, Indonesia, Thailand, Malaysia, Vietnam and Philippines.
China, Hong Kong and Taiwan yet still on Android 2.3.4 so far with build number S5660ZCKP6 and S5660ZSKPB and no sign of 2.3.5 or 2.3.6 update yet. But this version is applicable to all Asian countries.

firmware info:
PDA: S5660DXKT4
CSC: S5660OLBKT4
PHONE: S5660DXKT4
Version: Android 2.3.6 Gingerbread
Build/Released: December 2011 
Country: Asia 
Grab the stock ROM  at Sammobile if you prepare using Odin tool.
GT-S5660 S5660DXKT4_S5660OLBKT4
Mirror: http://www.multiupload.com/2ZIEWE127S
 This comes in a single package around 116MB in size.

To flash or install it using Odin. 
This is a manual procedure to upgrade your galaxy Gio to Android 2.3.6 if you are having issues updating it via Samsung Kie server.
Grab Odin v4.42 and and the GIO_v1.0.ops then put the file on the single package in Odin space.
See our  flashing procedure here, that's how exactly  you can also upgrade your Galaxy Gio to Android 2.3.6 Gingerbread using the S5660DXKT4 stock ROM.