back to froyo 2.2??? - EVO 4G General

Does anybody knows if i updated my evo fr froyo 2.2 to 2.3 gb, how can I get it back to froyo cuz I want to rooted

Flip35 said:
Does anybody knows if i updated my evo fr froyo 2.2 to 2.3 gb, how can I get it back to froyo cuz I want to rooted
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I just copied and pasted this out of the other thread you started... Unless your bootloader shows S-off, there is nothing you can do. If it's S-on, you just have to wait for a new exploit.
From what I posted in your other thread.........
If the phone has never been rooted before, then you are going to be S-on. Since you have the new bootloader, AND you have S-on, there is nothing you can do to root the phone at this time. You cannot downgrade to 2.2, you cannot downgrade the bootloader. The only thing you'll be able to do is wait until someone figures out how to get S off on the new bootloader, or if someone figures out a way to downgrade the bootloader. The only way you can downgrade back to 2.2, is if the bootloader is S off. Also, if the bootloader was S off, downgrading to froyo to 'reroot' is a complete waste of time. All you need to do is flash a PC36IMG of a recovery image, and then use that recovery to flash a new rom. That's it. Anything more than that is a total waste of time, and a bunch of steps that don't need to be taken.
So, unfortunately, all you can do is wait until someone figures out a way around the new bootloader.
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Related

How can I tell if my N1 is rooted?

I just swapped my HD2 with someone for a N1, and I'm trying to figure out if the phone is rooted or not... I've never had an android phone.
When it boots, the little "unlocked" icon appears at the bottom of the screen, and it appears to have the "custom recovery screen" when I enter the recovery section of the bootloader I get this image:
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I ask because the phone shows Kernel version 2.6.29-gad36b87 and build number ERD79, and I wanted to put froyo on the phone but was told only to update froyo from ERE27. I tried to flash ERE27 from the sd card using the recovery screen but keep getting an "unsigned files" error.
I suspect that this is a custom rom already, but have no idea how to tell if it's rooted etc.
Any help is appreciated. Thanks.
Yes it is.
Seems like you have a stock ROM, but custom recovery. You'll need stock recovery to flash the ERE27 update.zip
or you can just flash non stock update like the one of Paul's
the tut thread is here in this forum
Will the Wipe option in that recovery screen accomplish that? I don't mind trying one of the non stocks, but I'm 100% new to this and would love to avoid destroying my phone
Depends how you want to do it.
If you want everything stock, then the easist thing to do would be to grab the complete ERD79 image, flash that and you're good to go, it should OTA to ERE27 pretty quickly.
If not, then as above you can look at a non-stock update, there are tutorials for both, so just take your pick.
Thanks for the advice, I will try one of the non-stocks, I just wanted to make sure that I'd end up with root access and not get hung up halfway through the install.
just go with this one:
http://forum.xda-developers.com/showthread.php?t=686734
its the best, i did it today myself as well

I have a problem phone "Failed to boot 2" please help

Stop the phone on this screen, what should I do
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Hi,
Same thing happened to me. There are 3 problems;
First is that you do not have enouch battery power to run RDS.
Second is that you have to load SBF file again with RDSLite.
Third is that you have to unlock your bootloader not to have the same situation.
But to make you feel happy, I can say that your phone is not bricked.
We shall go step by step for your problems. First of all, do you have second battery or can you supply it because it is necessary to overcome second and third problem ?
micromedia2011 said:
what should I do
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Hi,
Please use search.
Thanks,
I'm having the same problem "failed to boot 2". Minus the battery part.
I did all the following steps a few months ago to update to the new gingerbread firmware from http://forum.xda-developers.com/showthread.php?t=1182871
Claims I would have an unlocked bootloader, root, and CWM. Which, I have root, CWM, and evidently still on a locked bootloader per a post I read on androidforums.
I'm lost as I've been reading so much that I've done confused myself on what I should actually do, and feel worse off than I was before I started reading.
Overall, my phone works fine. I just wanted to flash a different ROM. I'm just not sure where to start to fix my problem (redo all the steps in the post I linked up, or flash a whole other SBF file). Any help would be greatly appreciated. Thanks!

[Q] Revert to old bootloader for unlocking

Hi,
My M is running system 9.8.1Q-78
I know the bootloader can't be unlocked with this OTA.
My question is, I gained root like a half an hour ago, if I were to flash back to 4.0.4 7.7.1Q-144 OTA with RSDLite (I have the full fastboot zip) would this also revert the bootloader to a version which can be unlocked?
Thanks.
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afunyun said:
Hi,
My M is running system 9.8.1Q-78
I know the bootloader can't be unlocked with this OTA.
My question is, I gained root like a half an hour ago, if I were to flash back to 4.0.4 7.7.1Q-144 OTA with RSDLite (I have the full fastboot zip) would this also revert the bootloader to a version which can be unlocked?
Thanks.
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No.
Sent from my XT907 using Tapatalk 2
^ and that resolves that question.
if you want a further explanation, there is no way to downgrade the bootloader. RSDLite only restores the system. once the bootloader is upgraded, your SOL
dragonhart6505 said:
^ and that resolves that question.
if you want a further explanation, there is no way to downgrade the bootloader. RSDLite only restores the system. once the bootloader is upgraded, your SOL
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[nitpick]
technically it's the trustzone kernel that's getting upgraded. but yeah. once you're on .78, you're stuck

[Q] problem with nexus 4 updates

the last time i got an update from google was the first time the 4.3 got out
before 2 month it started to have another update for the 4.3 which is about 1.8 MB
but every time i apply for this update i just get an error.
anyway i never got another update for the 4.4 so i used this manual: to update my nexus
http://www.cultofandroid.com/45466/manually-install-the-android-kitkat-update-on-nexus-4/
i did everything and it got another error
this picture is what i got:
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http://s699.photobucket.com/user/barak302/media/20131228_211405.jpg.html
please help me
Instead of using OTA, you can manually flash your phone to 4.4.2 using the stock Google rom.
audit13 said:
Instead of using OTA, you can manually flash your phone to 4.4.2 using the stock Google rom.
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how can i do it?
i asked a friend and he told me use this way
i have no idea as i never did all the flashing stuff
barak302 said:
how can i do it?
i asked a friend and he told me use this way
i have no idea as i never did all the flashing stuff
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You'll need to unlock the phone's bootloader and reboot before continuing.
http://forum.xda-developers.com/showthread.php?t=2010312
thank you really much
it took me a lot of time but i somehow succeded
barak302 said:
thank you really much
it took me a lot of time but i somehow succeded
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Glad to hear it worked.

Have a problem with installing official firmware

Hi everybody,help me i if you can,please
I have only "modified" Software status in the bootloader(even after flashing stock firmware).Now i have more lags then after first week of using phone,and the sound became more cheep(it is hard to listen song on my phone)
Question is next.
How can i flash official firmware and get "Official" Software status in the bootloader?I think this situation is consequence of my multiple rooting and flashing castoms
P.S. Added screenshot and sorry for my english level
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You would need to relock the bootloader to get that to go back to official. I don't believe there is a way to do so currently.
Having an unlocked bootloader won't cause audio issues, just an FYI
Karlinski said:
You would need to relock the bootloader to get that to go back to official. I don't believe there is a way to do so currently.
Having an unlocked bootloader won't cause audio issues, just an FYI
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So as I understood,I need to flash it again and relock bootloader again?
That would get you back to full stock. However, like I said before, I don't think there is a signed bootloader image anywhere, so I don't think you can fully lock that back up yet.
Karlinski said:
That would get you back to full stock. However, like I said before, I don't think there is a signed bootloader image anywhere, so I don't think you can fully lock that back up yet.
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Thank you I will try this
I was able to relock bootloader using this guide:
https://forum.xda-developers.com/showpost.php?p=72789290&postcount=16
Not sure if it will work for all model variants but it did for mine...
surrealjam said:
I was able to relock bootloader using this guide:
https://forum.xda-developers.com/showpost.php?p=72789290&postcount=16
Not sure if it will work for all model variants but it did for mine...
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Thank you

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