[Touch Pro2, Tilt 2 Windows Mobile ROM Development] DaveShaw:
I take no responsability in any damage on your device. If you're not sure what you're doing, take time to learn some basics from wiki.

This is the process to restore your Rhodium (TP2) back to the stock ROM and SPL. This should be enough for you to warranty return your device.

I have "borrowed" all of the examples from various sources on xda. Many thanks must goto jcespi2005 and JugglerLKR who created the guide and packages for the Raphael from which the majority of this is taken. The SPL "relock" procedure was taken from the Hard SPL thread. Credit to cmonex :).

Prerequisites

The Rhodium Kitchen version 0.1 (Open the Zip File and read the password from the !!!readmefirst!!!.txt)

WinRAR or 7zip

RhodiumSPLRelocker_079SPL.zip

nbImg v1.1

Warning

avast! home detects buildOS as a virus, I've personally used it on my machine with AV off, and am not infected, but it's up to you.

Overview

You must follow these instructions in the order given. Once you have the Stock SPL you cannot flash any ROM's except the ones that are signed by HTC. For that reason you must restore the ROM first, then the SPL.

Step 1 - Get your Orginal ROM.

If you can find your Carrier's / Supplier's ROM on this wiki page or on their website. Please jump ahead to Step 4 - Flashing back to Shipped Stock ROM.

If you cannot find your ROM on the wiki then download this ROM : RUU_Rhodium_HTC_Europe_1.19.401.0_Radio_Rhodium_3.44.25.27_Signed_Ship.exe and proceed to Step 2 - Dumping your phones ROM.

Step 2 - Dumping your phones ROM

First you need to Dump the ROM from your Phone. Follow the instructions in this thread [TUT] Dumping an Rhodium ROM / SPL to obtain 4 *.raw files.

N.B: Although it might seem obvious to senior members, you must dump the ROM from your device before you flash it. If you have flashed another ROM to your device, then your orginal stock ROM is lost. You have 2 options, wait and see if your carrier will release one, or beg someone else with the same device to dump their ROM and share the *.raw files. :)

Step 3 - Reconstructing the ROM

-3.1: Extract the Kitchen to a Folder on the root of your PC (C:\, D:\, etc).

-3.2: Open the RUU_Rhodium_HTC_Europe_1.19.401.0_Radio_Rhodium_3.44.25.27_Signed_Ship.exe file with WinRAR or 7Zip and extract the ruu_signed.nbh file and place it in the BaseROM folder of the Kitchen.

-3.3: Place the Part01.raw (XIP) and Part02.RAW (IMGFS) in the BaseROM folder of the Kitchen.

-3.4: Run RhodiumKitchen.cmd in the Kitchen.

-3.5: Enter the following options into the Kitchen:

-3.6: e, b (for Dumped ROM). Press [Space] once complete.

-3.7: c, a (for Cooking a ROM).

-3.8: Press the "Play" button in BuildOS and wait for it to complete.

-3.9: Close BuildOS, Close PagePool Changer and Press [Space] to goto the main menu.

-3.10: You will now have a Flashable NBH file. Press f to Flash.

Now goto Step 5 - Removing Security Unlock

Step 4 - Flashing back to Shipped Stock ROM

If you were lucky enough to find a shipped ROM on the wiki or your carrier's / supplier's website, then just run the "ship exe" and follow the on screen instructions.

Step 5 - Removing Security Unlock

If you have purchased the SIM/CID/Security unlocker by Olipro, you can re-lock your device using the following tool : http://hpcmonex.net/htc/secrelock.zip

Step 6 - Restoring the Splash Screen

This is only needed if you couldn't find your Shipped Exe. If you have your Shipped Exe, you get the splash with it.

You're best creating a seperate folder out side the kitchen for this.

-6.1: Find a shipped exe from another WVGA device (HD or TD2).

-6.2: Extract the ruu_signed.nbh from the Shipped Exe using WinRAR or 7Zip.

-6.3: Use NBH Extract (in the Kitchen\Tools Folder) on ruu_signed.nbh

-6.4: Delete all files, except 01_MainSplash.nb.

-6.5: Use nbImg.exe as follows: nbimg.exe -F 01_MainSplash.nb -w 480 -h 800

-6.6: Delete 01_MainSplash.nb.

-6.7: Use nbImg.exe as follows: nbimg.exe -F 01_MainSplash.nb.bmp

-6.8: Use HTCRT in the Kitchen\Tools to make a NBH file from the 01_MainSplash.nb.bmp.nb file.

-6.9: Put the new NBH file and copy RhodiumCustomRUU from Kitchen\Tools into an empty Folder.

-6.10: Run the RhodiumCustomRUU.exe to Flash the Splash.

Step 7 - Flashing back to Stock SPL

-7.1: Ensure you already flashed stock ROM and Radio, because stock SPL flash is always the last step before sending the device in.

-7.2: Extract the relocker zip and run the EXE on your PC.

-7.3: If you wish to replace RUU_Signed.NBH that got extracted, feel free to do so, but not necessary (this Hard-SPL will only allow overwrite with a SPL signed by our custom cert). The included one is the 0.79.0000 stock SPL.

-7.4: Flash the Stock SPL

-7.5: Verify if it flashed by checking version in bootloader screen, it should say 0.79.0000, not 0.85.OliNex.

Credits:

-jcespi2005 and JugglerLKR for the Kaiser and Raph Kitchens

-Olipro and cmonex for Hard SPL and Security Unlocking

-pof for nbImg

-Everyone in the Readme.