PDF schematic of 3.67 MB named I8160, which matches the Samsung Galaxy Ace 2 model code GT-I8160, though the name states no brand, revision or contents.

PDF schematic for the Samsung I8160, the Galaxy Ace 2, identified only by model number in the file name.

Circuit schematic for the Samsung Galaxy Ace 2, model GT-I8160, supplied as a 3.67 MB PDF. The file name carries no revision or variant detail beyond the model number.