Any way to unroot and go back to stock? - myTouch 4G Q&A, Help & Troubleshooting

Long story but I screwed up my permaroot and cannot figure out how to continue. Is there any method to flash back to full stock if I cannot do "su" (i get an "unknown user root" error). Thanks.
Mark
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Edit for length.

Thanks. Wasn't working for me, but the guys helped my use the alternate approach AND change the perms on su and that got me to a point I could start over again.

jjlean said:
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works great for me

Related

Wifi isn't working

After rooting and all my wifi keeps giving me the Error message. Any ideas how to fix it?
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prophet828 said:
After rooting and all my wifi keeps giving me the Error message. Any ideas how to fix it?
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After rooting and all? What's all? Are you new to rooting? Sounds like you might have jumped in too quick.
prophet828 said:
After rooting and all my wifi keeps giving me the Error message. Any ideas how to fix it?
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which rooting guide did you use? did you change your kernel? you need to replace the bcm4329.ko file in /system/lib/modules with the one that corresponds to the kernel you are running...
Yes I am new to it but I am really good when it comes to computers
I am trying to learn everything about the android coding and all. Cause I just bought the mt4g Last week. But I followed instructions on a you tube video. By mackster248. Its they ove xda provided
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prophet828 said:
Yes I am new to it but I am really good when it comes to computers
I am trying to learn everything about the android coding and all. Cause I just bought the mt4g Last week. But I followed instructions on a you tube video. By mackster248. Its they ove xda provided
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ok... settings>about phone>Software Information> Kernel version... I need it...
Just a sort of "duh" reminder to always read things carefully before you do anything.
For example I quickly read the title of this thread as "Wife isn't working" and I thought "Tell me about it"
The kernel version is 2.6.32
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prophet828 said:
The kernel version is 2.6.32
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that's not the whole thing... I need the whole string...
2.6.32.21 Gorilla-OC-1.6ghz-betaV05-G20b06bc-dirty [email protected] #22
prophet828 said:
2.6.32.21 Gorilla-OC-1.6ghz-betaV05-G20b06bc-dirty [email protected] #22
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well you didnt "just" root then. Are you running Iced glacier rom also?
prophet828 said:
2.6.32.21 Gorilla-OC-1.6ghz-betaV05-G20b06bc-dirty [email protected] #22
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READ READ READ READ READ.....
ok.... DOWNLOAD THIS then put it in the directory with adb. In command prompt navigate to the directory with adb then put these commands in
adb shell
mount -o rw,remount -t ext3 /dev/block/mmcblk0p25 /system
exit
abd push bcm4329.ko /system/lib/modules/
adb reboot
your wifi should be fine after this.
Ok, do I need the terminal emulator? To type these commands
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prophet828 said:
Ok, do I need the terminal emulator? To type these commands
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no you need adb... google android sdk download install
if you can't figure that out copy the file to your sdcard then in terminal do this
unplug phone
mount -o rw,remount -t ext3 /dev/block/mmcblk0p25 /system
cp /sdcard/bcm4329.ko /system/lib/modules/
this should fix it... might take a reboot
Which version do I need? 2.2 or 2.3
great now my SU permissions are denied....
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you probably didn't root properly and only had temp root then
That makes sense. How do I get rid of clock work mod. I'm just gonna go back to stock. This rooting is
A pain in the ass.
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prophet828 said:
That makes sense. How do I get rid of clock work mod. I'm just gonna go back to stock. This rooting is
A pain in the ass.
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It's really not that bad. You just need to slow down, take a breath and follow the instructions and everything will right itself.
Some people always think that there is a one-click solution; when in fact you just need to follow a few precise directions. Key word being 'precise'.
If you want to unroot and go back to stock, check my sig for unrooting.
prophet828 said:
That makes sense. How do I get rid of clock work mod. I'm just gonna go back to stock. This rooting is
A pain in the ass.
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flash the RUU you can get it from the downgrade post it will undo everything except radio s-off
What does RUU stand for?
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prophet828 said:
What does RUU stand for?
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I'm not sure did you check here?

Can't seem to get my s=off

So this is my second my touch 4 I rooted my first on no problem. Now that I'm an trying this one it doesn't seem to be taking the root. It comes up with the installing kernal them haas a problem and said failed for the .to file. Idk what I'm doing wrong and I'm not too great with ubuntu yet. New os for my poor windows computer...
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so ive tried a few different things including a factory reset witch still has yet to take hold
Are you using gfree or root.sh? Haven't there been a few people who tried root.sh and it wouldn't work?
I've actually tried both of them and still to no success... I'm stumped I'm about to sends it back for a new one.
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Not really sure what else to do.
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static760 said:
Not really sure what else to do.
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Tell us what you have tried so far so we can help you figure out what else you need to try. I had tried a couple of different methods before i found one that worked. The one that i found to work for my phone was found on another site through a link i got on the ultimate s=off thread.
Thank you guys I went and got a root explorer and moved the Gfree files to data/local
Then ran it in terminal works wonderfull.
Loving this sense 3.0
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So u got it now.?
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Removing demos temp root

I wondering if its possible to remove the asphalt and rock band demo using visionary temp root I have both the full rock band and asphalt 6 app (cracked app) on my Droid running perfectly and I tried perm rooting my touch twice only visionnary temp root seems to work is it possible ???
derpp
Have you checked your EMMC chip? If you have the bad one I would suggest not rooting
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How do u checked it and how do u know if its bad sorry for all the questions kinda new at this
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You can remove the apps while temp rooted, but think they will return whenever you reboot the phone...
Is it an alternative to this den
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Tez MyTouch said:
How do u checked it and how do u know if its bad sorry for all the questions kinda new at this
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http://forum.xda-developers.com/showthread.php?t=1081243
This thread has a few ways to check it and tells you which one is bad (samsung)...check post 392 for probably the easiest way. As far as rooting your phone, did you follow one of the stickied guides in the development section?
Thanks but I still don kno how to check my emmc or let alone know if its bad or not
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You can use titanium backup or other apps to "freeze" apps. This is permanent (but reversible) even under temp root. They still take up space on your phone but are otherwise invisible.
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I have the titb but it say it don have root privileges when I try to open it even wit a temp root
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Do you have the superuser app installed?
Yes an it has root privileges
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[Q] Possible to flash CMW after OTA GB update?

Is it possible to flash Clockwork Mod Recovery after applying the 2.3.4 update?
Yes if you have s-off
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How about for us people with s-off and stock 2.3.4? Are we stuck on this ROM until someone gets root?
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shilent said:
How about for us people with s-off and stock 2.3.4? Are we stuck on this ROM until someone gets root?
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no if you have s-off you can flash Clockwork Mod Recovery or you can downgrade
I meant s-on. So its still possible to downgrade?
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shilent said:
I meant s-on. So its still possible to downgrade?
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I believe that they are working on a way to break 2.3.4 still. I haven't noticed any post confirming a successful root of the OTA update.
There has been some talk about gingerbreak doing something but it was experimental and I didn't do a whole lot of digging so I wouldn't recommend even trying.
shilent said:
I meant s-on. So its still possible to downgrade?
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yes you can downgrade with s-on here you go http://forum.xda-developers.com/showthread.php?t=1178912
shilent said:
I meant s-on. So its still possible to downgrade?
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Follow the instructions on this thread and you should be able to downgrade then root.
I'm on stock 2. 3. 4 s -off and can't flash cw
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Does anyone know if there's an updated guide to downgrading? I think the links (like to download the JAVA JDK) needs to be updated. I've spent hours reading and trying to find exactly what I need to download. I've tried installing 3 different JDK and none of them will let me install the Android SDK.
Edit: I found a fix to my problem. The Android SDK wasn't detecting JDK, all I had to do was click back then next, WTF...
shilent said:
Edit: I found a fix to my problem. The Android SDK wasn't detecting JDK, all I had to do was click back then next, WTF...
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Isn't that maddening? That pissed me off so bad. I was like come on! Who uses the freaking back button? I mean really?
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dbm0361 said:
I'm on stock 2. 3. 4 s -off and can't flash cw
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Have you tried mark manning's mod located Here? I believe this would help you with your problem.
I flashed the. Bootloader but get permissions failed on cwm install
http://forum.xda-developers.com/showthread.php?p=16276020
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root problem

Ok so I have been rooted for quite sometime... I'm currently on miui 1.8.26 I've had no problems... well I recently to tried to install busy box and I returned with your device is not rooted... so I tired going into root explorer and now it doesn't run at all.. so I tried es file explorer I goto mount and it say mount failed... so anything that requires root does not work.. I get the permission from super user but I'm guessing it just doesn't mount.. now I'm wondering if I update to a new rom it might not work due to it not mounting... am I wrong? By the way through terminal explore I type in su and it returns a # sign..
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Do you have a nandroid? Try using it and see... If it still doesn't work maybe try rolling back to an older busybox? If still no try maybe using the 2.2 RUU... Or even just do a cache/dalvik wipe... Idk, maybe someone else has better ideas
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I thought about doing a nandroid to a base 2.2 rom.. gonna give that a try..
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crazyd1721 said:
I thought about doing a nandroid to a base 2.2 rom.. gonna give that a try..
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Any luck?
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Yep I nand back to miui 1.8.26 and the problem seemed to have gone away... I just updated to 1.9.2 everything is running peachy... the seemed to have started when I was trying to install busy box from the market...
Sent from my speedy miui w/1.9 of goodness....
Yeah, i just leave the busy box alone, if a dev doesn't seem to care that it's not the latest version in their rom then I don't much care either.. Lol
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