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[HOWTO] Create a GoldCard - Bypassing the RUU/SPL CID check to Root/Downgrade

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By Jesterz, Retired Moderator on 16th October 2009, 09:52 PM
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If you are stuck on a ROM you don't like (t-mobile/asian carrier etc.) you can use this howto to create a goldcard to bypass the CID checks so you can downgrade and root your Hero.


01. Download QMAT 5.06 here
It’s a demo version so will only run for 10 minutes.

02. Format your SD card to FAT32. Please keep in mind some brands of SD cards do not work.

03. Use adb to run this command: adb shell cat /sys/class/mmc_host/mmc1/mmc1:*/cid

04. Copy the SD card cid code displayed after the adb command.

05. Start Qmat and Click on Cyptoanalysis Tools > Crypto Toolbox.

06. Look at the bottom, there is a text box (beside the “Reverse String” button) enter the SD card cid code you got earlier.
Click on the “Reverse String” button, the result is reversed…
Example: 532600bd227d9c0347329407514d5402

07. Copy the reversed SD card cid code.

08. Go to QMAT goldcard site here to generate your goldcard (yes it says for G1 but works for our Hero too).

09. Enter your email. For the correct SD card cid code, you need to replace the first 2 characters to 00.
Example: From “532600bd227d9c0347329407514d5402” to “002600bd227d9c0347329407514d5402”

10. Click Continue and you will receive the goldcard.img in .zip format in your email.

11. Go to your email, download the zip file and save it to a directory and unzip it to goldcard.img

12. Download HxD Hex Editor from here

13. Install and launch HxD Hex Editor program. (make sure you use "Run as Administrator" under Vista and win 7)

14. Go to Extra tab > Open Disk. Under Physical disk, select Removable Disk (Must be your SD card), uncheck “Open as Readonly), click OK.

15. Go to Extra again, Open Disk Image, open up goldcard.img which you’ve saved/unzipped earlier.
Now, you should have two tabs, one is your removable disk, the other is goldcard.img. Press OK when prompted for “Sector Size” 512 (Hard disks/Floppy disks), click OK.

16. Click on goldcard.img tab. Go to Edit tab > Select All, edit tab again > copy.

17. Click on the “removable disk” tab. Select offset 00000000 till offset 00000170 (including the 00000170 line), click on Edit tab and then Paste Write.

18. Click on File > Save. now you can exit the program.

19. Reboot your phone with this SD Card (now GoldCard) inside

20. Use the Official HTC RUU to downgrade to 2.73.405.5 (which you can get here) from which you can fastboot boot and/or root your phone with flashrec.

Done.


Credits:
Original heads up by tangzq with link to this
That site used the XDA Sapphire goldcard howto here

And apparently myself and XDA as this builds on the HTC knowledge from the old days (here)


In any case, enjoy your new found freedom
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16th October 2009, 10:03 PM |#2  
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Holy shitznit it works! Downgrading!!!!!
16th October 2009, 11:31 PM |#3  
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Hmm. I've followed the guide and successfully skipped the CID lock check of the device and flashed it to version 2.73.405.5 WWE. Problem is, I can't seem to get the device to boot into recovery mode after using flashrec (I did download and flash it just fine). the recovery mode (home + power) booted the device but it hangs at the boot screen where it says HERO. Any idea?

Edit: Ah. a little bit of the update. while the buttons do not work, i can use adb shell reboot recovery; however, after using flashrec, it still shows the old recovery screen ?

Edit2: confirmed, recovery flasher doesn't work now im using the SEA rom
I'll try the RUU_Hero_HTC_WWE_1.76.405.6_WWE_release_signed_NoD river.exe rom later
17th October 2009, 01:33 AM |#4  
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I had the same issue with Recovery Flasher I couldn't to boot into recovery. I was also unable to downgrade to the 1.7 roms due to a bootloader version error, arghhh. Anywho, managed to work my way round it, i'll explain below. I've got a T-Mobile G2 updated to the latest rom (so no root access).

I first followed the instructions on making a goldcard and then flashed the 2.73.405.5 WWE rom fine.

Now make sure you have the cm-hero-recovery.img (http://content.modaco.net/dropzone/m...covery-1.0.zip) on the root of your sdcard. Aswell as Instant Root (http://neilandtheresa.co.uk/Android/) now install Instant Root on the phone. It should pop up with a notification "instant root was sucessfully" or along those lines. (If you have a problem installing Instant Root make sure Settings>Applications>Unknown Sources is checked)

Instant root then allows for root access with adb shell using the following 2 commands:
1) adb shell
then
2) su
the icon should change from a $ to #.

Now flash the recovery image with the following command:
1) flash_image recovery /sdcard/cm-hero-recovery.img

This shouldn't take that long once completed it will go back the # prompt example below.

# flash_image recovery /sdcard/cm-hero-recovery.img (I typed this)
flash_image recovery /sdcard/cm-hero-recovery.img (this pops up)
# (this shows the flash completed)


Now pull out your usb cable and battery, turn on the phone with the battery in place while holding the home button and it should boot into the custom recovery .

Well, I hope this helps someone and I didn't just waste my time . Oh, thanks for posting the goldcard instructions.
17th October 2009, 02:39 AM |#5  
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it worked!!!

Thanks so much! I did the exact process before (see other thread) but I must have missed something. Following this process exactly is what did it. I am guessing something about the reboot and the RUU is where i went wrong before.

I can confirm this works on the 2.73.707.9 ROM
17th October 2009, 03:22 AM |#6  
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Yaaahaaaayyhaahhahahaahaayyyyyyyyyyyy!!! I feel so happy for all you guys who had this problem (although I myself did not!!)
17th October 2009, 07:28 AM |#7  
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I kind of half gave up at 6:00 am yesrterday and i just woke up (1
:27pm) and followed the instructions here and BAM! got a working nandroid backup and a custom rom \o/!!! thanks to all of you!
17th October 2009, 07:29 AM |#8  
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so it's tested and proven for 2.73.707.9?great!
17th October 2009, 09:28 AM |#9  
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umm ... guys.. if u dont mind me asking...... why do we need it?

do we have hero versions which cant be rooted with any methods?
17th October 2009, 09:58 AM |#10  
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Quote:
Originally Posted by dying4004

umm ... guys.. if u dont mind me asking...... why do we need it?

do we have hero versions which cant be rooted with any methods?

yup, we couldn't root certain asian carrier roms and t-mob rom and they couldnt downgrade so the where stuck, until now....
17th October 2009, 09:59 AM |#11  
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Quote:
Originally Posted by tianci86

so it's tested and proven for 2.73.707.9?great!

CONFIRMED! it works on 2.73.707.9 , just got 2.73.405.5 , im so happy , thanks soo much guys your the best
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