diff --git a/nanonote-files/script-files/usr/bin/mtd.nn b/nanonote-files/script-files/usr/bin/mtd.nn
index f15e1ad..a682bc5 100755
--- a/nanonote-files/script-files/usr/bin/mtd.nn
+++ b/nanonote-files/script-files/usr/bin/mtd.nn
@@ -53,7 +53,9 @@ fi
 if [ "$1" == "format_data_default" ]; then
     ubiformat /dev/mtd3 -y
     ubiattach /dev/ubi_ctrl -m 3
-    ubimkvol /dev/ubi1 -s 1400MiB -N data
+    ubimkvol /dev/ubi1 -s 1480MiB -N data
+# test in xiangfu's nanonote. 1486 is the MAX size we can make
+# so we using 1480 for now
     exit 0
 fi
 
@@ -109,4 +111,4 @@ written by: Xiangfu Liu (xiangfu@sharism.cc)
 written with Emacs in Ben NanoNote
                              version: ${__VERSION__}
 Report bugs to developer@lists.qi-hardware.com"
-exit 0
\ No newline at end of file
+exit 0