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[GUIDE] How to apply RUU to HTC unlocked bootloader devices

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By Albert Poon, Senior Member on 23rd August 2011, 03:49 PM
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If you unlocked your device using HTC unlock method (www.htcdev.com), and accidentally bricked your device (like I did, my device hangs in the HTC logo screen during boot), last resort is to apply RUU to resurrect your device.

Requirement:
1. The device can still enter FASTBOOT
2. You have the corresponding RUU

Procedure:
1. Enter FASTBOOT, and then connect to your computer (FASTBOOT USB will be shown)
2. Open command prompt in your computer
3. Relock your device by typing "fastboot oem lock" (you should know what is this if you HTC-unlock your phone before), the device will reboot.
4. Enter FASTBOOT again (you will see *** RELOCKED ***)
5. Apply the RUU
6. You device will be stocked

Note: The device must be relocked in order to apply the RUU.
The Following 9 Users Say Thank You to Albert Poon For This Useful Post: [ View ]
 
 
24th August 2011, 08:47 PM
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trying this now
Trying this now!
25th August 2011, 02:15 AM
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Quote:
Originally Posted by zedomax

Trying this now!

So... how did it work??
25th August 2011, 02:26 AM
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link to ruu? wouldn't this be an easy way to unroot?
25th August 2011, 03:22 AM
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keep getting errors
Quote:
Originally Posted by ChadH42

So... how did it work??

I keep getting errors with all RUUs, I've tried all of them and believe me, I tried pretty hard all day long!!! No luck yet but will keep trying tomorrow.
25th August 2011, 05:37 AM
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Quote:
Originally Posted by zedomax

I keep getting errors with all RUUs, I've tried all of them and believe me, I tried pretty hard all day long!!! No luck yet but will keep trying tomorrow.

You can only use the 2.08 RUU. No earlier RUU's will flash. HTC built in Hboot version checks(among other checks) so if the Hboot in the RUU you are trying to flash is older than the 1.50 bootloader it will not flash.

If you are using the 2.08 RUU you have to relock before the RUU will flash.
25th August 2011, 06:26 AM
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My HBOOT is 1.49.0012 and it worked flawlessly. 1.50 doesn't reach Asia yet...
25th August 2011, 06:37 AM
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Quote:
Originally Posted by Albert Poon

My HBOOT is 1.49.0012 and it worked flawlessly. 1.50 doesn't reach Asia yet...

No one in this section will have the Hboot 1.49.0012. That's the GSM version. The CDMA version shipped with 3 different hboots. 1.40, (one before 1.40) and now 1.50
25th August 2011, 06:43 AM
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@OP
Is your last name really Poon?
26th August 2011, 12:02 PM
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Quote:
Originally Posted by mattfmartin

@OP
Is your last name really Poon?

Yes, why?

And Yes, I am using the GSM version.
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bricked, fastboot, htc unlocked, ruu
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