[Q] SPL Downgrading with different country code? - Windows Phone 7 Q&A, Help & Troubleshooting

I have an unbranded mozart 7 that needs downgrading SPL for flashing custom rom
My country code is 707, so i downloaded this one,
RUU​_Mozart​_hTC​_Asia​_WWE​_1.26​.707​.01_5​.51.09​.06_22​.30.50
But no matter what i do, i can never get it to flash. Always stuck on "loading..." or "loading... No image found!"
I have followed many different tutorials, tried different SD/micro SD, tried different card reader, tried different Y-cable.....
(I still havent tried partitioning a USB drive down to 1gb yet... heard that might work also)
My question is what would happen if i use another country code rom? for example
RUU​_Mozart​_HTC​_Generic​_1.20​.061​.03_5​.50.09​.18_22​.24.50
or
RUU_Mozart_HTC_Europe_5.11.401.01_SLSPL_Signed_by_ ansar.zip
(http://forum.xda-developers.com/showthread.php?t=1413694)
Or can anyone provide me with a rom that they know will work for sure for downgrading??
THANKS!!! I've been trying to work this out for 2 weeks!!! Frustration!!!!
i am running out of options here.... dont know what to do

I remember i had this problem
I tried changing my Y cable and Card reader (Note that it must be only a 1-slot reader, multi readers won't work) and it worked.
But then again i used a 1GB micro sd and i used the exact correct rom for my mozart to do it (T-mobile germany)
good luck

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Goran
I see there is many info on this forum, but I am not sure what exactly should be used. For example, I would like to install WM6 (or even WM6.1) english edition. So, here are the questions and I wold be very gratefull if you can answer them.
1) If I use any of the articles here to update ROM, do all versions of ROM's that exist unlock sim? Or I need to unlock sim first before applying new ROM?
2) Do I need memory card in order to install WM6, since I dont have one at the moment?
3) When installing ROM, can battery weakness be a problem, or it is powered enough through USB cable?
4) When looking at the sofware list of some ROM's, I dont see Office installed. Do I need to install it separately?
Goran_ said:
1) If I use any of the articles here to update ROM, do all versions of ROM's that exist unlock sim? Or I need to unlock sim first before applying new ROM?
2) Do I need memory card in order to install WM6, since I dont have one at the moment?
3) When installing ROM, can battery weakness be a problem, or it is powered enough through USB cable?
4) When looking at the sofware list of some ROM's, I dont see Office installed. Do I need to install it separately?
Click to expand...
Click to collapse
1 - ROMs don't unlock the sim lock, you have to do that on your own, there's several threads related to performing this on the tornado
2 - You don't ever need a memory card to flash roms as long as you have a computer running windows
3 - You're batter needs to be at least 50 % charged to flash and should be able to last 10 minutes. Once the ROM starts to flash the phone is no longer charging and is powered only by the battery.
4 - Some ROMs have office, but most don't since using them is a bit cumbersome and they take up alot of precious space and this phone doesn't have alot of it. There are several places to get the cab file to install office if you want it, I recommend getting a storage card.

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-rastlin
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Moved as not ROM Development.
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