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Downgrading from Froyo OTA

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#1
PaulOBrien

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If (like me) you got flashed the Legend Froyo OTA and now you can't downgrade, you can do the following..

- Follow this guide to the end (the last stage will appear to have failed)
- Temproot with VISIONary r13 (install the downloaded file as per a normal APK)
- Once you are temprooted, connect via 'adb' and do 'su' (to get root) then '/data/local/flash_image misc /data/local/misc1-2.img'

You should then be able to downgrade in the normal way.

You try this at your own risk... I successfully did this on my device, but of course YMMV. :rolleyes:

P

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#2
renotm

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Thanks A LOT. I'll try now

I'm totally depressed since yesterday with this dirty ROM.
Does the crackin.bat works for you ?

Edit:

Crackin.bat display a lot of error but the downgrade works. You canno't know how I'm happy ....

Edited by renotm, 16 November 2010 - 07:37 PM.

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#3
Warrior Of Ice

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Thanks a lot Paul!
but i´ve a question with steps.
- try downgrade
- make temproot
- make adb process
- and at last with the phone on, install the 1.31 RUU versión?

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#4
Warrior Of Ice

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You´re great Paul, very great!!!
Downgrade success!!!
Thanksss!!!!

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#5
Chriss2222

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Hi guys
I dont get it.
After 5 times trying it still doesnt work.
Always coms this cr----rw--

need help (best a detaild way of doing this.)

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#6
Warrior Of Ice

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Thanks to Paul with this tutorial i´ve solved the HBOOT problem that unable install Froyo rooted for me.
This is a HOW TO that i´ve made for help all people who has this problem.
http://www.androidsi...-el-htc-legend/
In spanish and english.
Enjoy.

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#7
renotm

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Hi guys
I dont get it.
After 5 times trying it still doesnt work.
Always coms this cr----rw--

need help (best a detaild way of doing this.)


yes, but the downgrade works anymay after

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#8
W.Xueqiang

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If (like me) you got flashed the Legend Froyo OTA and now you can't downgrade, you can do the following..

- Follow this guide to the end (the last stage will appear to have failed)
- Temproot with VISIONary r13 (install the downloaded file as per a normal APK)
- Once you are temprooted, connect via 'adb' and do 'su' (to get root) then '/data/local/flash_image misc /data/local/misc1-2.img'

You should then be able to downgrade in the normal way.

You try this at your own risk... I successfully did this on my device, but of course YMMV. B)

P


"- Once you are temprooted, connect via 'adb' and do 'su' (to get root) then '/data/local/flash_image misc /data/local/misc1-2.img'
"

Who can tell me What do this step mean?

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#9
zabak

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"- Once you are temprooted, connect via 'adb' and do 'su' (to get root) then '/data/local/flash_image misc /data/local/misc1-2.img'
"

Who can tell me What do this step mean?



even I did not got this step....

I know this is too much...but Paul can you please make a sticky for NOOBS with all detailed instructions on downgrading Froyo for Legend?

If Paul is busy..request some other good Samaritan to do the Job...God Bless Modaco & Paul...

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#10
W.Xueqiang

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even I did not got this step....

I know this is too much...but Paul can you please make a sticky for NOOBS with all detailed instructions on downgrading Froyo for Legend?

If Paul is busy..request some other good Samaritan to do the Job...God Bless Modaco & Paul...


I just understand:
this is a command!
thx!

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#11
Chriss2222

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Thanks to Paul with this tutorial i´ve solved the HBOOT problem that unable install Froyo rooted for me.
This is a HOW TO that i´ve made for help all people who has this problem.
http://www.androidsi...-el-htc-legend/
In spanish and english.
Enjoy.


Thanks a lot I got it.

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#12
matt404

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Thanks a lot I got it.


on cmd windows => cd.. cd.. cd.. to see c:/ , cd androidsdk/tools , start cmd, adb shell , su , accept supper user permission on the legend ,/data/local/flash_image misc /data/local/misc1-2.img on the cmd (note:préviously in the paul application you need choose"set system r/w after root" and do "temproot now" B)

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#13
matt404

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1h40 after B) the downgrade, reroot, and restore works ! thx !!!!!!

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#14
Canttona

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I even can not get in the system. How can I do the downgrading?

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#15
randomXP

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What does the part with "do 'su' (to get root) then '/data/local/flash_image misc /data/local/misc1-2.img'" means?

Can somebody helps please?

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#16
rolks

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no point to downgrade, it is not rooting. its like you try run new ubunu linux on old kernel or old bios what not support new features

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#17
peter_ng

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Greet tutorial~~~Work perfectly for me!! Thanks You

My Legend Hast Updated to Asia 2.2 and come with HBOOT 1.001...I has successful downgrade using 1.31 RUU..

Surprising is when i downgrade to 1.31 there HBOOT still remain at 1.001

Now i become 1.001 with ROOT :( ;) ;)

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#18
Tomm3rd

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For some reason it isnt working for me when I enter this in CMD:


Microsoft Windows [versie 6.0.6002]
Copyright © 2006 Microsoft Corporation. Alle rechten voorbehouden.


C:\Users\Gebruiker>cd c:\AndroidSDK\tools\

c:\AndroidSDK\tools>adb shell
$ su
su
su: permission denied
$ su
su



Tom

What Am I doing wrong? I am not getting any messages on my device:S

Help me please!

Thanks in Advance

Tom

Edit:Yeah! I downgraded and rooted it! Thanks very much Paul! Gl with ur other tuts.

Edited by Tomm3rd, 10 January 2011 - 08:56 AM.

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#19
Qz3m

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Hey Paul!

Can this guide be somehow used to downgrade HBOOT version? For example from 1.01 to 0.43?

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#20
quincy456

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I have hboot 1.00
but this cmd line stuff is way beyond me sorry :-(

can anyone give me idiot proof guide to this cmd line prompt stuff, press by press copy and paste style? PLEASE!!

"Have adb in your path, or move the files contained in hack4legend-v5.zip into your sdk/tools directory so your pushes will work properly.

Open a terminal window in your /tools/ directory. Type this at the prompt."

i don't understand!

I have rooted 2 legends that were hboot .43 but that was just clicking bat files etc

So i can connect to pc fine, adb works but this in your path stuff... maybe i'm too old! (at 36!)


thanks in advance.

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