This is the latest Kernel for your DSTT and is updated on 17 July 2008.

Download DSTT V1.16 English Kernel (30-October-2008)

* fixed some errors of 2838 rom

After english.zip is downloaded, please unzip it into a temporary directory and copy TTMenu folder and TTMenu.dat to the root of your microSD/TF card through the USB card reader.
You may place all your games in a Games folder on the root of your memory card. Games must have a .nds extension.

Visit here for a step by step guide>>>

Please post your questions in the Comments.