diff --git a/prebuilt/init.htcleo.rc b/prebuilt/init.htcleo.rc
index 1c72bd4..5f38715 100644
--- a/prebuilt/init.htcleo.rc
+++ b/prebuilt/init.htcleo.rc
@@ -70,11 +70,12 @@ on boot
     setprop ro.ril.def.agps.mode 2
 
     # performance tweaks for flash
-    write /sys/block/mtdblock3/bdi/read_ahead_kb 2048
-    write /sys/block/mtdblock4/bdi/read_ahead_kb 2048
-    write /sys/block/mtdblock5/bdi/read_ahead_kb 2048
-    # increase read throughput from sd card
-    write /sys/block/mmcblk0/bdi/read_ahead_kb 204
+    write /sys/block/mtdblock0/bdi/read_ahead_kb 4
+    write /sys/block/mtdblock1/bdi/read_ahead_kb 4
+    write /sys/block/mtdblock2/bdi/read_ahead_kb 4
+    write /sys/block/mtdblock3/bdi/read_ahead_kb 4
+    write /sys/block/mtdblock4/bdi/read_ahead_kb 4
+    write /sys/block/mtdblock5/bdi/read_ahead_kb 4
 
     # for wireless modem
     chown system system /sys/module/serial/parameters/modem_enabled