diff --git a/README.md b/README.md
index e30bf29..4b42e6c 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ Donate via [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](htt
 
 Note: Scripts and mods are only tested on MacOS, and are provided AS-IS for study purpose. I do not plan to support all platforms. Use it at your own risks.
 
+07/05/2019: I will stop updating this tool and making new PKGs as there is nothing more interesting to explore. Gotta move on, guys and gals. I'll keep an eye on the issues though, and try my best to resolve them when I get time. Thanks.
+
 
 # 0x1 Special Thanks
 
@@ -44,6 +46,8 @@ make
 ./simg2img sparse_image_file_path generated_mountable_file_path
 ```
 
+Note: the repacked image, though legit, cannot be recognized by the DPT device. It may have to do with the unknown executable `extract_sparse_file`.
+
 # 0x4 Tutorials
 
 Most people would be interested in [the Rooting Guide](https://github.com/HappyZ/dpt-tools/wiki/The-Ultimate-Rooting-Guide) and [the Upgrading Guide](https://github.com/HappyZ/dpt-tools/wiki/The-Upgrade-Guide). As usual: **read carefully before proceed**!
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img.md5 b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img.md5
deleted file mode 100644
index 83dd330..0000000
--- a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img.md5
+++ /dev/null
@@ -1 +0,0 @@
-0badb67ed237d73e653b70de32912e7e
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/version b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/version
deleted file mode 100644
index 56ce25b..0000000
--- a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/version
+++ /dev/null
@@ -1 +0,0 @@
-1.6.00.15110                    general
\ No newline at end of file
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater.pkg b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater.pkg
similarity index 57%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater.pkg
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater.pkg
index ca955a4..39633cd 100644
Binary files a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater.pkg and b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater.pkg differ
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/animation.sh b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/animation.sh
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/animation.sh
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/animation.sh
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img
similarity index 67%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img
index 983acd6..12a61b3 100644
Binary files a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/boot-1.6.00.15110-mod-190516.img and b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img differ
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img.md5 b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img.md5
new file mode 100644
index 0000000..d55466f
--- /dev/null
+++ b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/boot-1.6.02.06240-mod-190730-115824.img.md5
@@ -0,0 +1 @@
+3c4f298849c2de0229d0ea3bde71798e
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/chkver.sh b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/chkver.sh
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/chkver.sh
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/chkver.sh
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/eufwupdater.sh b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/eufwupdater.sh
similarity index 51%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/eufwupdater.sh
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/eufwupdater.sh
index f6ff083..f14eeda 100755
--- a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/eufwupdater.sh
+++ b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/eufwupdater.sh
@@ -4,7 +4,7 @@
 UPDATER_BASE=$(dirname ${0})
 ANIM_PID=0
 EPOCH=$(date +%s)
-LOG_FP=/root/updater_$EPOCH.log
+LOG_FP=/root/updater_bootimg_$EPOCH.log
 echo "" > $LOG_FP
 
 # start animation script
@@ -12,24 +12,11 @@ ${UPDATER_BASE}/animation.sh $LOG_FP &
 ANIM_PID=$!
 sleep 2
 
-# bypass version check
-# # version check
-# ${UPDATER_BASE}/chkver.sh ${UPDATER_BASE}/version $LOG_FP
-# if [ "$?" -eq 0 ]
-# then
-#   echo "[updater.sh] version check OK" >> $LOG_FP
-# else
-#   echo "[updater.sh] version check NG (TBD)" >> $LOG_FP
-#   # strange version Package, so we must not install this package !!
-#   exit 0;
-# fi
-# sync
-
 # flash customized boot img
 echo "[updater.sh] writing boot.img.." >> $LOG_FP
-if [ -f ${UPDATER_BASE}/boot-1.6.00.15110-mod-190516.img ] ;
+if [ -f ${UPDATER_BASE}/boot-1.6.02.06240-mod-190730-115824.img ] ;
 then
-  dd if=${UPDATER_BASE}/boot-1.6.00.15110-mod-190516.img of=/dev/mmcblk0p8 bs=4M
+  dd if=${UPDATER_BASE}/boot-1.6.02.06240-mod-190730-115824.img of=/dev/mmcblk0p8 bs=4M
   sync
 else
   echo "[updater.sh] desired boot.img not exit; nothing did to boot partition" >> $LOG_FP
@@ -46,15 +33,6 @@ else
   echo "[updater.sh] verify check NG, shudown, will retry upon boot up" >> $LOG_FP
 fi
 
-# # enable su in adb shell
-# echo "[updater.sh] run getsu.sh" >> $LOG_FP
-# ${UPDATER_BASE}/getsu.sh $LOG_FP
-# if [ ! $? -eq 0 ]
-# then
-#   # shutdown, remove update, error occurs
-#   RET=$?
-# fi
-
 sleep 2
 
 # stop animation
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status01.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status01.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status01.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status01.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status02.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status02.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status02.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status02.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status03.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status03.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status03.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status03.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status04.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status04.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status04.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status04.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status05.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status05.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status05.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status05.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status06.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status06.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status06.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status06.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status07.bmp b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status07.bmp
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/images/status07.bmp
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/images/status07.bmp
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/usbmemupdater.sh b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/usbmemupdater.sh
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/usbmemupdater.sh
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/usbmemupdater.sh
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/verify.sh b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/verify.sh
similarity index 71%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/verify.sh
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/verify.sh
index 9e1cfae..893aaec 100755
--- a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater/verify.sh
+++ b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/verify.sh
@@ -5,11 +5,11 @@ echo 3 > /proc/sys/vm/drop_caches
 
 LOG_FP=$2
 
-BOOT_IMG_SIZE=`stat -c%s $1/boot-1.6.00.15110-mod-190516.img`
+BOOT_IMG_SIZE=`stat -c%s $1/boot-1.6.02.06240-mod-190730-115824.img`
 
 BLK8_MD5=`dd if=/dev/mmcblk0p8 bs=$BOOT_IMG_SIZE count=1 | md5sum | cut -d " " -f1`
 
-BOOT_MD5=`cat $1/boot-1.6.00.15110-mod-190516.img.md5`
+BOOT_MD5=`cat $1/boot-1.6.02.06240-mod-190730-115824.img.md5`
 
 echo "BLK08=$BLK8_MD5" >> $LOG_FP
 echo " BOOT=$BOOT_MD5" >> $LOG_FP
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/version b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/version
new file mode 100644
index 0000000..83245f7
--- /dev/null
+++ b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/FwUpdater/version
@@ -0,0 +1 @@
+1.6.02.06240                    general
\ No newline at end of file
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/aes.key b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/aes.key
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/aes.key
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/aes.key
diff --git a/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/init_vector b/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/init_vector
similarity index 100%
rename from fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/init_vector
rename to fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.02.06240/init_vector
diff --git a/python_api/libInteractive.py b/python_api/libInteractive.py
index 7031bc1..286d2fa 100644
--- a/python_api/libInteractive.py
+++ b/python_api/libInteractive.py
@@ -404,6 +404,11 @@ def diagnosis_mode(dpt):
     dpt.info_print('3. Press POWER button once. Then light blinks yellow')
     dpt.info_print('4. Release HOME button, a black square will show up')
     dpt.info_print('5. Connect to computer')
+    dpt.info_print('6. (Windows) After step 5 you can use device manager to find which COM port DPT is connected to. E.g. COM5')
+    dpt.info_print('Notice that if your DPT is in diagnosis mode, you can exit it by pressing the reset button.')
+    dpt.info_print('If this program exits, and your DPT is still in diagnosis mode,')
+    dpt.info_print('you get here again by starting with parameter --diagnosis')
+    dpt.info_print('It is also possible to interact with diagnosis mode with a serial terminal, such as putty.')
     try:
         resp = input('>>> Black square on the screen? [yes/no]: ')
         if resp == 'no':
diff --git a/systemimg_packer_unpacker/README.md b/systemimg_packer_unpacker/README.md
new file mode 100644
index 0000000..1719c55
--- /dev/null
+++ b/systemimg_packer_unpacker/README.md
@@ -0,0 +1 @@
+Notice: unpacker works fine, but packer didn't work as expected.