diff --git a/Andriod10/1_Pixel3_Image.pptx b/Andriod10/1_Pixel3_Image.pptx
index 56933d5..1fc5235 100644
Binary files a/Andriod10/1_Pixel3_Image.pptx and b/Andriod10/1_Pixel3_Image.pptx differ
diff --git a/Andriod10/sqlite_tutorial.pdf b/Andriod10/sqlite_tutorial.pdf
new file mode 100644
index 0000000..34576a4
Binary files /dev/null and b/Andriod10/sqlite_tutorial.pdf differ