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Must root the phone before flash a rom?

I have read the[GUIDE] Step by Step ROOT Nexus S via ClockworkMod Recovery image (i9023 and i9020A)....
a little comfused that it says 'You're now free to install the ROM you want.' after part 4 'root'
Must the phone be rooted before flash a rom?

proxylullaby said:
I have read the[GUIDE] Step by Step ROOT Nexus S via ClockworkMod Recovery image (i9023 and i9020A)....
a little comfused that it says 'You're now free to install the ROM you want.' after part 4 'root'
Must the phone be rooted before flash a rom?
Click to expand...
Click to collapse
No you can flash without root.
Sent from my Nexus S using XDA App

You only need to be rooted in order to use ROM Manager... If you just unlock the bootloader and flash/boot Clockwork, I believe you can flash about anything.

DoomFragger said:
You only need to be rooted in order to use ROM Manager... If you just unlock the bootloader and flash/boot Clockwork, I believe you can flash about anything.
Click to expand...
Click to collapse
thanks, I think you are right......with Clockwork anything can be flashed...

Having SU and Busybox installed is helpfully with some apps that require root such as titanium backup and root explorer.
Sent from my Nexus S 4G using XDA Premium App

Can't seem to find an answer to this root question. Little help please

I rooted my wife's Inspire 4g using SuperOneClick and all went well...busybox and Superuser were installed on the phone. I enabled non-market apps and even installed a few but today I dl'd Titanium backup and attempted to backup her stuff so I could proceed with modded roms and the root permission was denied and Superuser is missing. I dl's root checker and there is no root or busybox now....any help would be appreciated
Thank you !!!
P.S. Can I just use SOC again to try and re-root the phone or is there something else that im missing going on?

Not sure if this will work, but it's worth a shot. Use ROM Manager to download and install the latest Super User (Download ROM>>Extras). If ROM Manager doesn't work either, you can just download the latest SU from my dropbox here. It's a .zip file that you flash in recovery mode.

henrybravo said:
Not sure if this will work, but it's worth a shot. Use ROM Manager to download and install the latest Super User (Download ROM>>Extras). If ROM Manager doesn't work either, you can just download the latest SU from my dropbox here. It's a .zip file that you flash in recovery mode.
Click to expand...
Click to collapse
+1
OP, once you get Su on there, you may be able to get busybox on by way of titanium backup. It's my assumption that the two are separate entities... Getting Su doesn't automatically give you busybox, I don't think, but TiBU has an option for installing a "known working busybox," after you push its "problems" button, but you need to get Su on there first, I would think.

Someone please correct me if I'm wrong, but doesn't SuperOneClick only provide temporary root? Once you reboot root is gone. Use acehack kit or bubbys simple one click for permanent root
Sent from my Inspire 4G using XDA App

cdshepherd said:
Someone please correct me if I'm wrong, but doesn't SuperOneClick only provide temporary root? Once you reboot root is gone. Use acehack kit or bubbys simple one click for permanent root
Sent from my Inspire 4G using XDA App
Click to expand...
Click to collapse
You are correct. SOC on;y provides temp root. No S-Off is attained so no rom can be flashed...

cdshepherd said:
Someone please correct me if I'm wrong, but doesn't SuperOneClick only provide temporary root? Once you reboot root is gone. Use acehack kit or bubbys simple one click for permanent root
Sent from my Inspire 4G using XDA App
Click to expand...
Click to collapse
I can confirm this 100%. Before I rooted my phone with the ace hack kit, I used soc to enable installing from unknown sources. It temp rooted my phone, also installing busybox and su. Once I rebooted my phone, it was as stock as can be again, with bb and su gone. This is normal for soc op, since it doesn't have the ability to perma root the phone.
Sent from my Desire HD using Tapatalk

just use hack kit or flash rooted rom after one click. hack kit is much better with more options and so easy now with 11

[Q]How should I root my nexus s with official ICS?

Hi, I'm new here. I've searched but I think there's no answer to this question. This is my first xda thread.
So, here is the question: how should I root ns with official ICS rom?
I was using CM7 build for quite a few days. Just two hours ago, I went back to official 2.3.6 and upgraded to 4.0.3. My ns model is i9023.
I used fastboot to flash 5.0.2.0 CWM recovery to ns, and I was able to use the CWMr. Then I installed su.zip (from clockworkmod.com). After reboot I can see SuperUser there now, but still get no root access.
I think I should use a newer version of su.zip? I viewed one Galaxy Nexus rooting tutorial, in that tutorial they used the same su.zip and it worked. Any one can help?

you need to use the fastboot method as on the sticky
Sent from my SGH-T989 using xda premium

AllGamer said:
you need to use the fastboot method as on the sticky
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I think the regular rooting process is:
1.Unlock the device (already unlocked)
2.Use fastboot to flash CWM recovery
3.Boot into recovery and flash su
I did all of these, so maybe su package is the problem?

Same thing here.

AllGamer said:
you need to use the fastboot method as on the sticky
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
The regular root process doesn't seem to work for ICS. Depending on which version of the su package installed, you would get different error messages on the terminal when you execute $su.

this update sucks. now im stuck with a slow nexus with no root no color correction hack and no root. the nexus is now another pos phone. ot happy with this BS

You are not stuck with nothing. Your phone has a unlocked boot loader. Flash what you want.
Sent from my Nexus S using XDA App

vabeachfc3s said:
this update sucks. now im stuck with a slow nexus with no root no color correction hack and no root. the nexus is now another pos phone. ot happy with this BS
Click to expand...
Click to collapse
Grow up.. Idiot.

Try this su installer. Seems to have worked for a guy over there.
http://forum.xda-developers.com/showthread.php?t=1396703

Bad Binary

Hi all,
I Know my Thunderbolt is rooted correctly because I am able to use certian rooted only apps. But when I go into superuser to update binaries it tells me that
1. It cannot gain root access
2. It says the new binaries are bad
3. Overall fail.
There was a similar post on rootzwiki about this, and in that post was a su.zip file that i manually placed in the /system/bin which i overwrote the existing. Still giving me the bad binaries error etc... is there something I am doing wrong? or a new fix avail??
Thanks
PS...also while I'm here i posted this on rootzwiki also but no avail...somewhat on the same lines as what i posted above but with more info about the bootloader.
Thanks
I just picked up a preowned thunderbolt....
currently :
Android Version - 2.3.4
HTC Sense Verison - 2.1
Software Number - 2.11.605.9
.
HBOOT - 6.04.1002
Radio - 1.4.8.00.0.930.w_3
just wondering if this is the most current, and root-able\ s-off friendly software for the thunderbolt. It was already rooted and revolutionary.io hence the bootloader saying so. But for some reason no matter what, I cannot perform a full TB Restore, and cannot successfully update SU binaries ( tried the suFixer on the market..and tried manually putting the file in /system/bin/su . It either says cannot gain root access or insuffiant privileges errors. I can't for the life of me figure wtf is going on. I've never had such difficulty/[problems rooting and customizing any other HTC ( or android phone) before. can anyone help

Run the all in one tool again

Don't update binarys there's issues with the newest update. And reflash your custom recovery. Then flash one of the alrdy rooted stock roms or custom Rom .
Sent from my ADR6425LVW using xda premium

Kidney Poker said:
Don't update binarys there's issues with the newest update. And reflash your custom recovery. Then flash one of the alrdy rooted stock roms or custom Rom .
Sent from my ADR6425LVW using xda premium
Click to expand...
Click to collapse
I start by flashing cwm via Rom manager premium. Then always flash the alternative amon recovery becUse I like it.better. is that the way to.go?
When re running the tool should I do the unroot then reroot? Is.there anything that will help me being able to use rooted apps run correctly hence the binary issue? Is this being worked on at all?
Sent from my HTC Thunderbolt. Using Tapatalk 2 premium.

I wouldn't flash anything through rom manager. That's just my opinion. Maybe unroot and then root again using the all in one tool might work.
Sent from my ADR6400L using Tapatalk 2

Go here and scroll down to update 2. There is a link to download a fixed binary that can be flashed in recovery.
http://androidsu.com/
Sent from my ADR6400L using Tapatalk 2

Another option that worked for me when I had my galxy s2 skyrocket. Go here http://forum.xda-developers.com/showthread.php?t=1538053
Download SuperSu and flash in cwm. It replaces su. And fixes the exact issue you are having

I really like supersu more than superuser. If I flash this in recovery will it replace superuser?
Sent from my ADR6400L using Tapatalk 2

Yes it will. Then when you reboot. Open supersu and allow it to update its binaries

Nice I'm going to try it.
Sent from my ADR6400L using Tapatalk 2

cant unroot my micromax a110

Hi
i had rooted my mobile in order to install JB but now i want to unroot it
I tried using the same software that i used to root it but when i select unroot option it comes device not found
i had used Root_with_restore_Bin4ry_v15.7z this software
so can u tell me whats the problem

hi
kuromado said:
Hi
i had rooted my mobile in order to install JB but now i want to unroot it
I tried using the same software that i used to root it but when i select unroot option it comes device not found
i had used Root_with_restore_Bin4ry_v15.7z this software
so can u tell me whats the problem
Click to expand...
Click to collapse
to unroot just install the stock rom with cwm link: http://d-h.st/4BW
after installing chamge the cwm recovery with stock recovery using sptools.
Hit thanks if i helped:good:

kuromado said:
Hi
i had rooted my mobile in order to install JB but now i want to unroot it
I tried using the same software that i used to root it but when i select unroot option it comes device not found
i had used Root_with_restore_Bin4ry_v15.7z this software
so can u tell me whats the problem
Click to expand...
Click to collapse
just flash stock ics using sp flash tools it will unroot your phone....:good: