Unbranding Phone - Orange UK - HTC Radar

I am sure that I am not the only one who has bought an Orange UK phone and wants to use in on another network. I'll get an unlock code to allow my T-Mobile SIM to work. But I want to unbrand the phone too so that I get rid completely of all the Orange branding and Orange software. What are my options?
1) simply flash with alternative branded ROM.
Inevitably this doesn't work and the RUU.exe program quickly indentifies the phone I am trying to flash has the Invalid Operator ID and will not flash it.
2) Goldcard.
I have a Windows 7 Phone Goldcard which I have created using an XTC Clip. I have copied the Europe.nbh ROM over to is and tried rename as OMEGIMG.nbh and RADAIMG.nbh. I've used a HD7 Unlock Kit Y-cable and put the Radar in USB Hostmode, but it has done nothing. (The same cable and SD card worked perfectly for my Mozart.)
3) Ansar's supplemented ROM method.
For other devices Ansar has supplement parts of the nbh file to twick the valid Operator ID check, I think using a "bin to d000ff builder". However, as I understand it, this won't work unless I have an RUU_Radar_Orange.exe file to start with.
Any other ideas?

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Have been trying to flash .nbh file in Bootloader mode but stuck on 5% and bricked my phone and motherboard had to be replaced.
Have you considered flasing in USB mode using OTG cable?
Bought this one:
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Could you send how to make goldcard for wp7?

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Sorry to hear you have bricked your phone.
I've got a little further in that I have definitely established that the image for Goldcard needs to be OMEGIMG.NBH (not RADAIMG.IMG). (With Radaimg.nbh the device says image not found.) Once the phone is connected to the HD7 Unlock cable, in USB Host Mode, with OMEGIMG on the Goldcard it says Loading, then drops into "Bootloader" mode, but with neither Serial or USB displayed.
I've not heard of the OTG cable. How does that work?
For Goldcard I made mine using the XTC Clip (Mozart mode). You can do it a longer method using an Android or Windows Mobile 6.x device which includes an SD slot, or a laptop that has a "real" SD card reader (not connected over any USB bus).

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OTG cable is a cable which allows you to connect usb stick/sdcard reader via USB
it definitely works with SGS2/Nokia

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Oh yes, I've just looked up info on the "On-The-Go" USB cable. It seems that there is a subtle difference from standard USB so that the device (mobile phone) can act as a host. Will the OTG cable allow the Radar to power the SD Card reader? Is there any evidence of it working on any other HTC Phones?

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I haven't tried that yet

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Richard Fantom said:
I've got a little further in that I have definitely established that the image for Goldcard needs to be OMEGIMG.NBH (not RADAIMG.IMG). (With Radaimg.nbh the device says image not found.) Once the phone is connected to the HD7 Unlock cable, in USB Host Mode, with OMEGIMG on the Goldcard it says Loading, then drops into "Bootloader" mode, but with neither Serial or USB displayed.
Click to expand...
Click to collapse
I'm embarassed to say that trying again with the goldcard I have misled you. On either filename the device says Loading, then Image not Found before dropping into Bootloader mode. I had not watched carefully enough before.
But from this I conclude that the device is seeing the goldcard (as before the y-cable is connected it does nothing), but not finding the correct image.
Any suggestions what other filenames should be tried?
So far I have tried IMG.NBH, OMEGIMG.NBH, RADAIMG.NBH
Is there any other code for the Radar 4G ?

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You might want to check on the HD7 forums or the hacking forums for WP7. I have never used the Gold Card method so I am not sure how it works. Is it just an nbh file deployed to the card or is the card specificly formatted and then the nbh extracted to the specially formatted card. As far as I know the xtc clip only supports the HD7 and does not support the Radar (yet?).

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Hello everybody,
I've tried with 2 differents RUU and I have the same problem; it stuck at 5% and I have a windows with IU534 error "flash write error happen".
I've also extracted the content of the RUU and launched the Rom update utilty, same way...
My phone's always starting on the white screen (radio-16.23.02.09_2).
Any ideas ??
I think it's a bootloader blocking but I've not enough knoledge to unblock it.
PS : sorry for my bad english, I'm french

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stef19100 said:
Hello everybody,
I've tried with 2 differents RUU and I have the same problem; it stuck at 5% and I have a windows with IU534 error "flash write error happen".
I've also extracted the content of the RUU and launched the Rom update utilty, same way...
My phone's always starting on the white screen (radio-16.23.02.09_2).
Any ideas ??
I think it's a bootloader blocking but I've not enough knoledge to unblock it.
PS : sorry for my bad english, I'm french
Click to expand...
Click to collapse
As I have warned before - your phone is bricked and as far as there weill be decent developers for Radar you cannot do anything but send phone to be repaired.
The bad is that I am waiting from 14th od November and no results (they have ordered motherboard from the supplier)

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Thanks for your answer masi0, I hope you'll receive your phone soon !
Looks like it's an Orange problem (mine is Orange France), I'd like to know if any other members have succeeded in updating their phones !

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stef19100 said:
Thanks for your answer masi0, I hope you'll receive your phone soon !
Looks like it's an Orange problem (mine is Orange France), I'd like to know if any other members have succeeded in updating their phones !
Click to expand...
Click to collapse
I don't think it's carrier problem - I think we are upgrading phones in a wrong way

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I've tried with many differents RUU and I have the same problem; it stuck at 5% and I have a windows with IU534 error "flash write error happen".
can anybody help? radar sim-free, not brand. It problem with phone - not with brand
....t-mobile unbranding without problem by goldcard....

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Wow, after a year of frustration whenever I have tried to unbrand my phone I have finally found the solution. I hope it helps others and of course it is a simple solution.
My mistake was that I made the goldcard and then copied the NBH file over to it (I'm sure that's what I did before with the Mozart and it worked). However, what worked for me was that first I formatted the MicroSD card (Fat32), then copied the NBH file over, renamed as OMEGIMG.NBH, then ran the GoldCard Tool as administrator. Once this was done, I put the phone into USB Host mode and connected the Y-cable. I left it alone for an hour whilst I did something else and returned to find the phone had been updated and debranded with the NBH file required.