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

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Albert Poon
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Default [GUIDE] How to apply RUU to HTC unlocked bootloader devices

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.
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zedomax
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Default trying this now

Trying this now!
 
ChadH42
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Quote:
Originally Posted by zedomax View Post
Trying this now!
So... how did it work??
Device: Samsung Galaxy S5
Carrier: Sprint
ROM: Rooted Stock NCB
Recovery: TWRP 2.7.0.0
 
davebu
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link to ruu? wouldn't this be an easy way to unroot?
 
zedomax
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Default keep getting errors

Quote:
Originally Posted by ChadH42 View Post
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.
 
graffixnyc
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Quote:
Originally Posted by zedomax View Post
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.

One day some of the kids from the neighborhood carried my mother's groceries all the way home. You know why? It was outta respect." -Henry Hill

Devices:
 


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Current Phones:
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HTC One M7 Silver 64GB

Current Tablets:
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Samsung Galaxy Note 10.1 2014 Edition 32gb


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Albert Poon
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My HBOOT is 1.49.0012 and it worked flawlessly. 1.50 doesn't reach Asia yet...
 
graffixnyc
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Quote:
Originally Posted by Albert Poon View Post
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

One day some of the kids from the neighborhood carried my mother's groceries all the way home. You know why? It was outta respect." -Henry Hill

Devices:
 


Google Glass

Current Phones:
HTC One M8 Gray 32GB + 64GB SD
HTC One M7 Silver 64GB

Current Tablets:
Sony Z Ultra GPe (Phone but use as a tablet)
Samsung Galaxy Note 10.1 2014 Edition 32gb


All new members should watch this:
http://www.youtube.com/watch?v=JmvCpR45LKA


Follow me on twitter! http://www.twitter.com/graffixnyc

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mattfmartin
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@OP
Is your last name really Poon?
 
Albert Poon
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Quote:
Originally Posted by mattfmartin View Post
@OP
Is your last name really Poon?
Yes, why?

And Yes, I am using the GSM version.

Tags
bricked, fastboot, htc unlocked, ruu
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