Modding CALLSIGN PRESTIGE
1) Download Horizon and HxD if you do not already have it
2) Open up Horizon
3) Extract your profile to your desktop
4) Drag your profile into Horizon to open it
5) Click the tab named "Content"
6) Find the .GPD file named "415608CB)
7) Extract it to your desktop
8)Open up HxD
9) In the top left of HxD press "File" and then "Open"
10) Find and select the .GPD on your desktop
11) Press CTRL + F
12) Instead of searching for a "Text-String" search for a "Hex Value"
13) Search for the following letters/numbers depending on what game you want to change

2F04 = Black Ops
3104 = Modern Warfare 2
3304 = WaW
3504 = CoD4

14) Once you type in the four numbers and see them highlighted look at the right of them, you should see three sets of "00" like this "00 00 00" and then random letters/numbers on the next set. EX: "00 00 00 0A"
15)Change the fourth set of numbers to whatever you want, use this to see what numbers to put. (IMPORTANT: HIGHLIGHT THE FOURTH SET AND THEN TYPE, DO NOT BACKSPACE!)

00 00 00 0F = 15th
00 00 00 0E = 14th
00 00 00 0D = 13th
00 00 00 0C = 12th
00 00 00 0B = 11th
00 00 00 0A = 10th
00 00 00 09 = 9th
00 00 00 08 = 8th
00 00 00 07 = 7th
00 00 00 06 = 6th
00 00 00 05 = 5th
00 00 00 04 = 4th
00 00 00 03 = 3rd
00 00 00 02 = 2nd
00 00 00 01 = 1st
00 00 00 00 = No prestige

16) Once you have all your desired prestiges save in HxD, and close it
17) Go back to Horizon and drag the profile you extracted earlier to your desktop into Horizon
18)Go to "Contents"
19) Find "415608CB"
20) Right-Click it and press "replace"
21) Replace with the .GPD you edited in HxD
22) Rehash and Resign
23) Now open your Device Exporer in Horizon
24) Press "Inject a New File"
25) Select the profile on your desktop
26) Finished!
*credit to iJuSTM0d for hex values*



Mod Message of the Day
1) Download Horizon and HxD if you havn't already
2) Put your profile on a USB
3) Plug in your USB into your computer
4) Open up Horizon
5) Extract your profile to desktop
6) Open up HxD
7) Open your profile in HxD
8)Press CTRL + F
9) Search for "Welcome to MW3!"
10) HIGHLIGHT "Welcome to MW3!" and THEN type whatever you want (CAN'T BE LONGER THEN "Welcome to MW3" or will not work!)
11) You CAN use color codes
12) After you have changed to your liking, save in HxD
13) Go back to Horizon and select "Tools" and then "Package Manager"
14) Open the profile on your desktop with package manager
15) Rehash and Resign
16) Go to the device explorer and press "Inject New File"
17) Select the profile on your desktop
18)Finished!
*credit to nicholasbroo*





Split-Screen Unlocks
GO IN SPLITSCREEN AND KILL YOURSELF BEFORE DOING ANYTHING
1) Download the Split-Screen modding tool
2) Go to your memory on your Xbox
3) Find Modern Warfare 3 in "Games"
4) Find the Multiplayer Progress save and move it to your USB
5) Plug in your USB into your computer
6) Open up Horizon
7) Extract your MW3 mpdata save to your desktop
8)Open the mpdata save in Horizon
9) Click "Contents"
10) Extract the mpdata_*random numbers* to your desktop
11) Open it in the Split-Screen Modding Program
12) Save once you've finished modding
13) Replace the new modded spdata with the old one in the contents tab
14) Rehash and Resign
15) Finished!
*credit to Extravagant*



Campaign + Spec-Ops Mission Unlocks/Spec-Op 3 star unlocks
1) Download the .GPD that I provide to your Desktop
2) Open up Horizon
3) Go to your profile in Horizon
4) Open it
5) Go to "Contents"
6) Find the .GPD file named "415608CB"
7) Right-Click it and click "Extract"
8)Make sure you don't extract to where the modded .GPD is
9) Now drag the regular .GPD into Horizon and drag to the top-left corner of Horizon
10) After that's done, drag the MODDED .GPD into Horizon and drag somewhere to where you can see both .GPD's fine
11) Now copy and paste all the info from the regular .GPD onto the modded one
12) Rehash and Resign
13) Now close both .GPD's that are open in Horizon
14) Go back to your profile contents in Horizon
15) Find the "415608CB" .GPD again
16) Right-Click and click "Replace"
17) Find the MODDED .GPD and select it
18)Rehash and Resign
19) Enjoy Your Mods!


Spec-Ops Level 50 *ONLINE*
1) Download the modded spdata
2) Go to your memory on your Xbox
3) Find Modern Warfare 3 in "Games" and click on it
4) Find the mpdata save and move it to your USB
5) Plug in your USB into your computer
6) Open up Horizon
7) Extract your MW3 mpdata save to your desktop
8)Open the mpdata save in Horizon
9) Click "Contents"
10) Extract the spdata_*random numbers* to your desktop
11) Now copy the numbers from your spdata_ to the modded spdata_ that has no numbers
12) Replace the spdata_ on your desktop with the one in your mpdata
13) Rehash and Resign
14) Put USB back into Xbox
15) Move mpdata back to Hard Drive
16) Enjoy Level 50!


Colored Classes
1) Go to elite.callofduty.com
2) Register or Sign in
3) Go to MW3 playercard
4) Scroll down to your classes
5) Click on the class you want to change the name of
6) At the top of where it says your class name click the pencil icon
7) Change the name to whatever you want and put the following before the text for colors
^1 - Red
^2 - Green
^3 - Yellow
^4 - Blue
^5 - Light Blue
^6 - Pink
^7 - White
^0 - Black
8)Click "Send Changes to Game"
9) Go on multiplayer and wait for the screen to say something like "Do you wish to integrate CoD Elite changes? Press "Yes"
10) Colored Classes, simple
*credit to EzMoneY*


Colored Gamertag
1) BEFORE YOU DO ANYTHING, MAKE YOUR CLAN TAG SOMETHING OBVIOUS WITH 4 LETTERS! EX: lolw
2) Download HxD and Horizon
3) Put your profile on your USB/Transfer Cable
4) Open up Horizon
5) Extract your profile to your desktop
6) Open up HxD
7) Open your profile in HxD
8)Press CTRL + F
9) Type in your clan tag that is currently on your profile
10) It should look something like this, it's okay if it's not perfect!

................
................
.....$..@...%..A
...&..B..lolw.'.
.(..)..*..G...+.

11) HIGHLIGHT the current clan tag DO NOT backspace!
12) Put your color code in that you want your Gamertag to be, refer above for the color codes
13) After you type your color code put two of any letters/numbers
13) For example I would type "^2$$" after and it will look like this in the coding

................
................
.....$..@...%..A
...&..B..^2$$.'.
.(..)..*..G...+.

14) Save in HxD after you are done
15) Go back to Horizon and click "Tools" and then "Package Manager"
16) Open your profile in the Packa ge Manager
17) After it is opened, Rehash and Resign your profile
18)Close the Package Manager and open the Device Explorer
19) Click "Inject New File" and select your newly modded profile
20) Put your USB back in your Xbox and Enjoy!


Clan Tag Buttons
1) Go to your clan tag in MW3
2) Go to the second page and capitalize the letters
3) Find "A" with the slash above it going towards the right like this "\"
4) Use the following to see what button you want

A - A BUTTON
B - B BUTTON
D - Y BUTTON
C - X BUTTON
E - LB ( LEFT BUMPER )
F - RB ( RIGHT BUMPER )
N - START BUTTON
O - BACK BUTTON
P - LS ( LEFT STICK )
Q - RS ( RIGHT STICK )
R - LT ( LEFT TRIGGER )
S - RT ( RIGHT TRIGGER )
T - DPAD UP
U - DPAD DOWN
V - DPAD LEFT
W - DPAD RIGHT
J - INVISIBLE NAME (15 Spaces in Clan Tag)

5) So if you wanted the "B" button you would type the following in your clan tag "AB" (Can't use the A with slash above it)
6) Press start to save it
7) Go back in your clan tag and save it once more by pressing start
8)You should have your button!