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[GUIDE] Debranding Bell Desire Z

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Apache14
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(Last edited by Apache14; 8th November 2010 at 01:58 PM.) Reason: Added golcard creation creditd and edited guide slighly
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Cool [GUIDE] Debranding Bell Desire Z

Ok have just ran through this on irc and its confirmed working on a bell phone debranding to WWE

This will wipe your phone -- So backup all needed data

Although tested and really shouldn’t cause any damage I accept no responsibility for any damage caused by this. By doing this you are accepting all responsibility

What you will need

-- micro SD card reader
-- spare microSD or backup all data from your normal SD card
-- a WWE rom i,e THIS ROM
-- HeX editor
-- ADB shell set up and working


Part 1 GoldCard

1) Format the microSD card to FAT32 format (in card reader).
2) Put the microSD card in your device and boot it.
3) Open Up an ADB shell this doesnt need to be ran as root.
4) Enter 'adb shell cat /sys/class/mmc_host/mmc2/mmc2:*/cid' and press enter. You should get a very long number copy it.
5) Visit this page, paste in your number and reverse it.
6) Visit this page, enter your reversed number and create your goldcard image, which will be e-mailed to you.
7) Open the HxD hex editor. If you are using Windows Vista or Windows 7, you must run the application as administrator.
8) Go to the 'Extra' menu and select 'Open Disk'. Under physical disk, select Removable Disk (your microSD card), uncheck 'Open as Readonly' and click OK. Note that you should select physical disk NOT the logical disk. This is important!
9) Go to the 'Extra' menu again and select 'Open Disk Image'. Open the goldcard image that you received by email.
10) You should now have two tabs - one is your removable disk, the other is your goldcard image. Press OK when prompted for 'Sector Size' (selecting 512 (Hard disks/Floppy disks)) and click OK.
11) Click on the goldcard image tab. Go to the 'Edit' menu, choose 'Select All' then select the 'Edit' menu again and select 'Copy'.
12) Click on the 'Removable Disk' tab. Highlight offset (line) 00000000 to offset (line) 00000170 (including the 00000170 line), then click on the 'Edit' menu and select 'Paste Write'.
12) Click on the 'File' menu and select 'Save', accepting the warning.


Part 2 Grabbing Rom From RUU

1) Start the exe and leave it to load
2) once loaded leave it
3) navigate to C:\Users\**username***\AppData\Local\Temp\
4) look for pne of the two newest folders and open
5) within that folder there will be another folder open that
6) find rom.zip and copy to the sdcard
7) rename PC10IMG.zip
8) Put MicroSD card back into phone and boot to android


Part 3 MISC edit to allow downgrade

this part is only needed if you are downgrading i.e from

1.34.666.5 to 1.34.405.5



1) open up "ADB shell" and type SU to get # symbol
2) run

Quote:
dd if=/dev/block/mmcblk0p17 of=/sdcard/misc.img
3) copy misc.img from the root of the sdcard to your computer //Copy So as to preserv a backup of misc.img on the SD card//

4) open the misc.img in the HeX editor
5) now edit the version line from somthing like

Quote:
1.34.666.5
This will be whatever the version you are on currently


to

Quote:
1.34.405.5
This can/will be whatever the version of the rom you are trying to downgrade too

6) now save as miscnew.img

Here is what your minsc.img and miscnew.img should look like in HeX editor



7) copy miscnew.img to sdcard
8) unmount usb storage
9) in ADB shell run command

Quote:
dd if=/sdcard/miscnew.img of=/dev/block/mmcblk0p17
Part 4 Flashing the rom

1) power off phone
2) boot into hboot by holding down vol-dwn + power
3) the phone should then scan the .zip file and ask to flash
4) after flash you will be debranded and running a WWE rom


Credits

The Goldcard Guide Was Adapted To Work On The New eMMC Devices From Here mmc0 to mmc2
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steviewevie
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So this changes a Bell-branded phone so that it can flash HTC ROMs, right ? Because even the "BellMobility" ROMs still seem to have "WWE" in their title.

What happens if you try to flash an HTC ROM to a Bell phone without this ? Would be useful to know, just for info.
 
shubjero
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I can confirm that I was the test subject on IRC and this unbranding of my Bell Desire Z worked perfectly.

I now have things like HTC Locations, and Car Panel present on my phone, and things like non-uninstallable game demos of Ashphalt, Golf, Uno, Bell PVR, GPS Navigator, Kobo, Zoompass, Tunes & Apps, TV & Radio are all gone.

After unbranding, everything is working as expected.

Thanks a ton to the op for dedicating his time on helping me unbrand my phone!
 
pixelwix
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Will this work on the G2?
 
Apache14
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Quote:
Originally Posted by steviewevie View Post
So this changes a Bell-branded phone so that it can flash HTC ROMs, right ? Because even the "BellMobility" ROMs still seem to have "WWE" in their title.

What happens if you try to flash an HTC ROM to a Bell phone without this ? Would be useful to know, just for info.
Humm never noticed the WWE in the bell mobility rom (could be to do with the Z being a WWE phone and the G2 not, but as they are moth the vision), but regardless you should be able to flash any Z to the HTC- WWE "debranded rom"
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Apache14
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Quote:
Originally Posted by pixelwix View Post
Will this work on the G2?
What getting the Z rom on the G2 ?

if so we have tried and get "data too large" errors. but feel free to try (at your own risk as its never been done before)

i havent tried the 1.22.405.1 RUU


:D
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CWolfCW
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(Last edited by CWolfCW; 8th November 2010 at 05:08 PM.) Reason: Additional question.
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Hm... so while I'm sorely tempted to try this, are there any downsides to debranding atm? Will it affect OTA updates in the future?

I'm assuming it'll void warranty, heh. The only real benefits are just to get rid of the Bell only stuff though I'm assuming?

Er, also wanted to ask something else: Where exactly are you guys finding the ROMs for the HTC Desire Z (NA)? All the ones I find are EU or AP.
 
Apache14
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well any ota you should be able to flash :D .... also u can always flash the bell RUU if u want or need it back as it shipped
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steviewevie
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Quote:
Originally Posted by CWolfCW View Post
Er, also wanted to ask something else: Where exactly are you guys finding the ROMs for the HTC Desire Z (NA)? All the ones I find are EU or AP.
There appears to be one on the first page of this forum, at http://forum.xda-developers.com/showthread.php?t=815253

Given how long it's been there though, I'd be suprised if that's the ROM version that's shipping for Bell.
 
seattleboi1982
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can't wait to get home and do this so i can get Locations and car panel
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