HTC DUMLOCK - Flash boot from recovery without fastboot! (Updated 2012-02-28 v2)

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HTC Dumlock

HTC Dumlock is a workaround for devices with HTC's unlock that cannot flash boot from recovery. Put simply, we make backups of recovery and boot, then we flash the backup of recovery to boot. When you reboot normally, you'll be in your recovery, but since your recovery is flashed to boot, you can make changes to boot. Head on over to our website for download links and instructions.

New v2 version scans / compares the backups of boot and recovery to help ensure that you don't run it twice and wipe out your backup of boot.
Last edited by Dees_Troy; 28th February 2012 at 08:25 PM.
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21st February 2012, 09:39 PM |#2  
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21st February 2012, 09:40 PM |#3  
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Awesome work guys!

Sent from my Clean and MeanROM 3D
21st February 2012, 09:43 PM |#4  
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Can we flash custom roms with unlocked phone and hboot 1.5 with s-on directly from recovery now?

Edit: Nevermind the answer is yes. you guys are awesome.
Last edited by alammori; 21st February 2012 at 09:55 PM.
21st February 2012, 09:52 PM |#5  
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this is awesome if i ever get hboot 1.5 again. Wish this was out a week ago i wouldn't of sold my phone so i could buy one with hboot 1.4
Last edited by mteezey; 21st February 2012 at 09:56 PM.
21st February 2012, 10:39 PM |#6  
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Kernels ok, but are we able to flash radios and such with this method?
21st February 2012, 10:42 PM |#7  
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I just htc unlocked, flashed the updated twrp via fastboot, then backed up, flashed su, installed HTC DumLock. When I try to use the app it finishes within a minute but does not reboot, rebooting to system reboots doesn't boot into TWRP. I gave the app root permissions, what else should I try?
21st February 2012, 11:33 PM |#8  
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Real cool news
21st February 2012, 11:37 PM |#9  
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This is awesome! Kudos! I'm a little squeamish to try it yet (I'm still android noobish ;) ); I'll wait a bit until the more seasoned folk work the kinks out, but I'm extremely encouraged.

Edit: Changed notification
21st February 2012, 11:58 PM |#10  
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i tried twice to flash a kernel and i get is the progress bar sits there, i let it go for 10 minutes each time but it never flashed the zip

UPDATE: I got it i had to restore the backup

Everything went fine for me until i try to boot to system from recovery,it just reboots back to recovery
I even tried powering down and do a normal start and it go's into recovery
Last edited by benny3; 22nd February 2012 at 12:55 AM.
22nd February 2012, 12:31 AM |#11  
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Can the recovery be made to recognize when it is booted using dumlock app and restore original boot automatically? Something like this,
Run dumlock app, writes recovery to boot but also sets a flag in your config file on the sdcard,
reboot to recovery in boot partition,
recovery sees flag in config file, then before allowing any interaction flashes your boot partition back to original and then allows you to flash away and reboot normal afterwards.
This to me would seem to make it a seemless process. I would think a modification could even be made to CM9 code that would execute the same type of commands to rewrite recovery to boot whenever you select "reboot to recovery" from the reboot menu by holding the power button to make this 100% seemless, no?

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