[HD2 Windows Mobile 6.5 ROM Development] Xzeven:
As its been requested a few times I've decided to make an easy step-by-step tutorial on how to use the PSAS/QMAT method for ROM changes.

This method will enable you to replace your official ROM (any language) with another official ROM (any language etc). This will not way change your SPL and thus should not affect your warrenty. This will only work with official ROMs of any region/language, it will not allow you to flash custom ROMs, for that you WILL need to change SPL.

Note: If you previously got the free GoldCard.img file during PSAS/QMAT's giveaway then see here instead.

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Note: There was previously a problem flashing the Russian ROM to a WWE EU/US/Asia HTC Leo. It is not yet clear if this has changed, If you know what your doing and want to try, please do so and let us know. Otherwise I advise anyone NOT to flash the Russian ROM for the moment, until a fix has been found. (Its been guessed that the Russian ROM is either locked, non-official or written for a slightly different version of the HTC Leo (perhaps version 110)

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Things we need:

-MicroSD card, anything over 256MB, 512MB, 1GB, 2GB is good enough. Other sizes may/may not work. In this Example I use a 512MB card.

-PSAS 1.03 (Currently you must get the full version of PSAS €30, as the free version will not unlock the HD2/Leo. This will become free in future versions of PSAS)

-An Official HTC rom that you wish to write to your phone (any language). Some can be found here . The examples included here involve RUU_Leo_HTC_WWE_1.43.405.1...

-a zip/compression utility eg the free 7zip installed.

-And most importantly, a HTC LEO (aka HD2)...just in case you forgot ;)

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1: Format your SD card

(not necessary but best to be safe) choose 1.1 or if that fails use steps 1.2 below.

1.1

--a: Press Start > Settings > Format MicroSD card

1.2

--a: Plug your phone into your windows PC, select DISKDRIVE on your LEO/HD2

--b: The Drive should be visible in Windows as REMOVABLE DISK

--c: Right Click and Format > Format to FAT32 (best to untick quick format)

2:Allow non signed Software on the Leo

--a: install a regedit software on your Leo e.g. PHM regedit also original PHM Site (offline at the moment)

--b: Run the regedit software

--c: Goto HKEY_LOCAL_MACHINE\Security\Policies\Policies

--d: Look for 00001001 double click it and change the setting from 2 to 1

--e: Reboot the HTC LEO

3:Get the SD card's Serial number & Make the Gold Card

--a: Unplug your HD from the PC and Plug it back in select ACTIVESYNC on your LEO

--b: Run PSAS, Calculators/Generators > Generate HTC GoldCard >

--c: Select LEO from the Drop-down box

--d:Press "Get SD Card Serial from WINCE Device"

--e:PSAS should see all the drives on your HTC Leo/HD2. Make certain the correct size disk is sellected. For example, I inserted a 512MB SD card so - Beneath the (CID) box you should see something like " Disk Nr.: 04 - Disksize 512 MB"

--f: Now that the correct disk is selected, press "Save Goldcard Image to WINCE SD"

--e: you should see "Done writing SD Card to WINCE Device.

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We are now ready to Flash an Official ROM image.

-The methods below are:

-4: Short and easy, keeps your original SPL intact. Works with a few phones but not on some others, in which case try step 6.

-5: A bit longer, works with most phones, If the ROM you are writing contains a new SPL it will be overwritten.

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4: Put your Favourite OFFICIAL Rom on the Leo

--a: Unplug your phone and plug it back in, set it to ACTIVESYNC

--b: Choose the Official ROM of your choice in the Language or Region of your choice.

--c: Run the your-favoutice-example-ROM.exe file it will guide you through the update process.

---------------------OR / ALTERNATIVE ---------------------------

5: Put your Favourite OFFICIAL Rom on the Leo

--a:Right click on your exampleOFFICIALrom.exe and Extract it to a folder

--b:From the extracted file locate RUU_signed.nbh and rename it LEOIMG.nbh

--c:Copy the LEOIMG.nbh file to your MicroSD card

--d: Make sure your phone is charged at least 80% then power it off

--e: Press and hold the VOLUME DOWN then Press POWER button

--f: A menu will appear select (usually the power button) to continue to write the ROM

--g:After 5-10 minutes the phone should tell you the ROM was successfully written and the bar is full. You can now press reset (the small Red button beside the battery, use a pen)

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7: Your done

That's it, it should now boot up in the ROM and language of your choice.

If there's anything I left out or anything you'd like to add just let know on this thread. Also keep us up to date on how it worked for you.

Enjoy :D