diff --git a/The-Ultimate-Rooting-Guide.md b/The-Ultimate-Rooting-Guide.md
index 3debe7c..ed35a69 100644
--- a/The-Ultimate-Rooting-Guide.md
+++ b/The-Ultimate-Rooting-Guide.md
@@ -2,6 +2,8 @@
 
 This guide provides basic rooting procedure in details. If you are new, this is the right place to start.
 
+If you already hacked the system, but want to upgrade, please use [this guide](https://github.com/HappyZ/dpt-tools/wiki/The-Upgrading-Guide).
+
 # Requirements
 
 ### Software
@@ -20,7 +22,7 @@ If you have Windows PC, make sure your PATH environment is correct so you can ru
 
 You need your DPT device, of course. And you need a microUSB cable that can connect your DPT to your computer.
 
-You also need the DPT to be charged at least 80%.
+You also need the DPT to be charged at least 80% (just to be safe).
 
 # Steps
 
@@ -28,18 +30,39 @@ For the following steps, we assume your device boots up normally, and has connec
 
 ### 0x1 Validate Successful Connection
 
+Simply run `python dpt-tools.py` and it should automatically find required information. 
+
+If success, you will see:
+
+```
+===========
+ DPT Tools
+===========
+Thanks for using DPT Tools. Type `help` to show this message.
+Supported commands:
+    fw        -- update firmware
+    diagnosis -- enter diagnosis mode (to gain adb, su, etc.)
+    exit/quit -- leave the tool
+
+>>> 
+```
+
+If it didn't work, try `python dpt-tools.py -ip <your device ip address>`. For example, 
+
+```
+```
 In your laptop/desktop terminal, run `python dpt-tools.py -ip <DPT ip address>` to validate a successful connection. 
 
 For example, `python dpt-tools.py -ip 192.168.2.100`. You can find the ip address of DPT via your router, or in DPT settings.
 
-You can also specify your id and key files by:
+You can also specify your id and key files (referred from [janten's dpt-rp1-py](https://github.com/janten/dpt-rp1-py)) by:
 ```
 python dpt-tools.py -id <deviceid file path> -k <your key file path> -ip <ip address>
 ```
-Please refer to [janten's dpt-rp1-py](https://github.com/janten/dpt-rp1-py) on how do you get `deviceid` and `key` file path for your device.
 
 Then you will enter the interactive shell mode.
 
+
 ### 0x2 Get Diagnosis Mode and Patch Updater Script
 
 Download [this PKG from this example](https://github.com/HappyZ/dpt-tools/blob/master/fw_updater_packer_by_shankerzhiwu/pkg_example/hack_basics/fw.pkg).
@@ -65,15 +88,14 @@ Note2: Absolute do NOT try to decompile the PKG on your computer via the unpack
 
 ### 0x3 Obtain Android ADB (Root) Access
 
-Required system version:
-* `1.4.01.16100` (for RP1)
-* `1.4.02.09061` (for CP1)
-
-If not, request it in [Issues](https://github.com/HappyZ/dpt-tools/issues) and wait for your modifications out.
-
 The modification will change your Android boot partition. 
 
-Download `FwUpdater.pkg` from this [RP1 without mass storage](https://github.com/HappyZ/dpt-tools/tree/master/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_no_mass_storage) or [CP1 without mass storage](https://github.com/HappyZ/dpt-tools/blob/master/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_no_mass_storage_cp1). Or if you want, this [RP1 with mass storage (likely conflict with DPA)](https://github.com/HappyZ/dpt-tools/tree/master/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img).
+Download corresponding PKG for your system version:
+* `1.4.01.16100` (for RP1) [download](https://github.com/HappyZ/dpt-tools/blob/6e8e30c0062ac51410caa9ddf5adb959d84ab038/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_no_mass_storage/FwUpdater.pkg)
+* `1.4.02.09061` (for CP1) [download](https://github.com/HappyZ/dpt-tools/blob/6e8e30c0062ac51410caa9ddf5adb959d84ab038/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_no_mass_storage_cp1/FwUpdater.pkg)
+* `1.6.00.15110` (for both RP1 & CP1) [download](https://github.com/HappyZ/dpt-tools/blob/40b1d3667b7d1ef9c9330f46c167a58911c83569/fw_updater_packer_unpacker/pkg_example/flashable_mod_boot_img_1.6.00.15110/FwUpdater.pkg)
+
+If not, request it in [Issues](https://github.com/HappyZ/dpt-tools/issues) and wait for your modifications out.
 
 In the interactive shell, type `fw` and press Enter key.
 
@@ -85,11 +107,8 @@ Your DPT will say `preparing for the update...` and then the DPT will restart an
 
 After update, it will say `update failure`, but it is actually flashed.
 
-And you can run `adb devices` on your computer to see if your DPT appears (it may take a while to boot ADBD after DPT boots up, if you have waited for >2min, try to unplug and plug back in the cable, and do `adb kill-server && adb devices` several times, it eventually will come up!). 
+And you can run `adb devices` on your computer to see if your DPT appears (it may take a while to boot ADBD after DPT boots up, if you have waited for >1min, try to unplug and plug back in the cable, and do `adb kill-server && adb devices` several times, it eventually will come up! Fully tested). 
 
-Note: If you want to use prior ADBD (not the insecured ADBD from chainfire, you can find more details [here](https://github.com/HappyZ/dpt-tools/issues/87#issuecomment-489276963))
-
-~Note: we are still unclear about [the issue DPA cannot be connected](https://github.com/HappyZ/dpt-tools/issues/58).~
 
 ### 0x4 Obtain Android Root Access (Optional, Subject to Change)