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[HOW-TO] downgrade HBOOT 0.92 to 0.80 again

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By Sammy83, Member on 5th August 2010, 01:52 PM
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5th August 2010, 02:15 PM |#11  
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Quote:
Originally Posted by SharpSA

Is it working? Did try anyone?

Yes working 100%
 
 
5th August 2010, 02:22 PM |#12  
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Ok, I never rooted my android before and I have the OTA 2.2 Froyo update on an unbranded Desire. After I complete these steps, what do I need to do to install a custom rom?

Thanks!
5th August 2010, 02:23 PM |#13  
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Quote:
Originally Posted by Wheezy_be

Ok, I never rooted my android before and I have the OTA 2.2 Froyo update on an unbranded Desire. After I complete these steps, what do I need to do to install a custom rom?

Thanks!

Root your phone with unrevoked, using on of these guides for example:
Linux:
http://myhtcdesire.com/modding/how-t...asily-method-1
Windows:
http://myhtcdesire.com/modding/how-t...asily-method-2
5th August 2010, 02:24 PM |#14  
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Ok for the dumb and ignorant among us (a.k.a me) what state does this leave your phone in.

I get I downgrade HBOOT to 0.80 and my phone will be wiped, but what ROM will be on the phone after the downgrade will it still be the OTA rom or will it be another one?

Or do I then need to install a ROM of my choice after the downgrade, sorry if this is a really stupid question, I haven't put any custom ROM on my Desire yet and then I got the OTA update as I was thinking about checking out some custom stuff. Not had the phone long.

Thanks.

{EDIT} someone beat me to it as I was typing this post thanks for the above!
Last edited by u9dbg; 5th August 2010 at 02:32 PM.
5th August 2010, 02:28 PM |#15  
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Quote:
Originally Posted by u9dbg

Ok for the dumb and ignorant among us (a.k.a me) what state does this leave your phone in.

I get I downgrade HBOOT to 0.80 and my phone will be wiped, but what ROM will be on the phone after the downgrade will it still be the OTA rom or will it be another one?

Or do I then need to install a ROM of my choice after the downgrade, sorry if this is a really stupid question, I haven't put any custom ROM on my Desire yet and then I got the OTA update as I was thinking about checking out some custom stuff. Not had the phone long.

Thanks.

After you've done the steps above you will have the following:

Blank and wiped device
Firmware: 2.1-update1 UNROOTED!
HBOOT: 0.80
Basband(Radio): 32.36.00.28U_4.06.00.02_2
Kernel: 2.6.29-0cb9f166htc-kernel@18-2#1
Build: 1.21.405.2 CL174215 release-keys

With that you can root and flash anything you want
5th August 2010, 02:29 PM |#16  
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Thanks for the tuto.
Hello sweety 0.80, bye bye dirty 0.92 ^_^

Worked for me.

Btw, didn't need the gc
5th August 2010, 02:36 PM |#17  
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Well, if this works AdamG doesn't have to find a way to root hboot 0.92.
:/

Sent from my HTC Desire using XDA App
5th August 2010, 02:37 PM |#18  
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Has anyone tried this on a branded, but rooted phone?

I've got an O2 branded desire with hb00t 0.83, I can root with unrevoked, but can't boot into recovery =( Hoping this will fix it.
5th August 2010, 02:54 PM |#19  
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It's works fine! Why doesn't work the recovery bat. on my PC?
5th August 2010, 03:08 PM |#20  
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Quote:
Originally Posted by u9dbg

Ok for the dumb and ignorant among us (a.k.a me) what state does this leave your phone in.

I get I downgrade HBOOT to 0.80 and my phone will be wiped, but what ROM will be on the phone after the downgrade will it still be the OTA rom or will it be another one?

Also for me, it's Volume Down + Power
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desire, froyo, hboot, root, unrevoke
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