[Q] help unrooting evo4g - EVO 4G Q&A, Help & Troubleshooting

I am trying to unroot evo 4g for a friend someone else rooted it and installed cm7. He wants to return the phone to sprint. I have read the stickies and searched for others having the same issues. But still no luck do I need to flash a none asop rom or am i missing something else. I am not real familiar with h boot and s-on / s-off. It was rooted with unrevoked so i followed the steps in the stickie and keep getting an error when i try pc36img. Also is pc36img the stock rom files. Any help would be apperciated. Thanks in advanced for your time and help.

http://forum.xda-developers.com/showthread.php?t=884060
.exe are RUUs.
You plug the device into a computer and run the .exe and it will return it to stock.
.zip go on the SDCARD.
You boot into the bootloader and it will auto run and return to stock.

1980cj7 said:
I am trying to unroot evo 4g for a friend someone else rooted it and installed cm7. He wants to return the phone to sprint. I have read the stickies and searched for others having the same issues. But still no luck do I need to flash a none asop rom or am i missing something else. I am not real familiar with h boot and s-on / s-off. It was rooted with unrevoked so i followed the steps in the stickie and keep getting an error when i try pc36img. Also is pc36img the stock rom files. Any help would be apperciated. Thanks in advanced for your time and help.
Click to expand...
Click to collapse
Flash the s-on tool in recovery then run the above PC36IMG.zip or the ruu
Sent from my PC36100 using XDA App

Rem3Dy said:
Flash the s-on tool in recovery then run the above PC36IMG.zip or the ruu
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
+1 .
This should work, had it done on my brother's phone when taking it to sprint store.

Related

Ran Unrevoked S-On, still showing s-off

Hi, I need to return my evo but I have s-off using unrevoked forever. I ran the latest s-0n tool through recovery (latest Clockwork) and it appears that everything went ok when looking at the log as the s-on ran. But now when I verify it still says S-off. Can anyone assist?
radio 2.15.00.11.19
clavin78 said:
Hi, I need to return my evo but I have s-off using unrevoked forever. I ran the latest s-0n tool through recovery (latest Clockwork) and it appears that everything went ok when looking at the log as the s-on ran. But now when I verify it still says S-off. Can anyone assist?
radio 2.15.00.11.19
Click to expand...
Click to collapse
Run the son tool from the unrevoked site
iitreatedii said:
Run the son tool from the unrevoked site
Click to expand...
Click to collapse
I did, I downloaded the latest s-on tool
See if THIS helps...
Thanks for the link. Ran the s-on about 20 times and still s-off. Guess I'm bringing it in s-0ff and chancing it. Hopfully they don't need to replace and can just fix my power button without ever needing to see the s-off
damn you even flashed the pc36img in bootloader and you still cant get s-on? huh... Hopefully it all works out for ya! Goodluck man
You need to run the ruu after flashing s on zip
Sent from my PC36100 using XDA App
Instructions said s-on first then the other zip so i didn't want to run the other one until it said s-on. Thanks guys
clavin78 said:
Instructions said s-on first then the other zip so i didn't want to run the other one until it said s-on. Thanks guys
Click to expand...
Click to collapse
Sorry I thought you I'd thought my fault for the assumption
Jo
clavin78 said:
Instructions said s-on first then the other zip so i didn't want to run the other one until it said s-on. Thanks guys
Click to expand...
Click to collapse
Yup, s on first. I'm not sure why its not taking. Maybe download it again, and possibly use a different recovery to try flashing it? Try using rom manager to flash Among RA, then try again.
Sent from my PC36100 using XDA App
I'm not sure, but I think after running s-ON and then the RUU, it'll show up as S-On.
I know it did when I ran RUU last week, after running the S-On tool, but tbh, I didn't check before running the RUU.
HipKat said:
I'm not sure, but I think after running s-ON and then the RUU, it'll show up as S-On.
I know it did when I ran RUU last week, after running the S-On tool, but tbh, I didn't check before running the RUU.
Click to expand...
Click to collapse
You do want to be sure that the s on tool works. The RUU wont turn s on if you've used unrevoked forever. You'll end up stock, s off, and no recovery to flash the s on tool.
Sent from my PC36100 using XDA App
k2buckley said:
You do want to be sure that the s on tool works. The RUU wont turn s on if you've used unrevoked forever. You'll end up stock, s off, and no recovery to flash the s on tool.
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Exactly what I was thinking so I got a zip of my recovery from the unrevoked site to run from hboot since I still had s-off which would allow me to run the zip just incase. I would be able to get a recovery again if running the stock image didn't help.
Anyway, I ran the PC36IMG image with S-off and noticed that when going though the install the HBOOT section installed, installation stopped then just went back to HBOOT where it inspected the PC36IMG again. Noticed right when that happened that it was back to S-ON. Current HBOOT is 93, not sure if it was different before and needed to be on 93.
If your hboot is version .76 it is s-off by default. No need to use unrevoked for anything.
Sent from my PC36100 using XDA Premium App

[Q] Hboot issues

Hello I've been on this forum for quite a while, but never really posted anything. Right now I'm struggling with my EVO4g because it's having issues updating the PC36IMG.zip in hboot AND it says it is S-on when other programs such as revolutionary's root program. I'll explain everything I did and provide as much information in return for some help. Also I have googled this issue and no place seems to have a solution to the issues on my EVO.
What went down:
-Decided I want to unroot my phone and start from scratch
-Tried unrooting using this guide http://forum.xda-developers.com/showthread.php?t=780141
-Says i have S-on and Hboot 6.17
-Tried rooting with revolutionary, but says I have s-off already enabled. HBoot says S-on though so this is where i get confused
-Tried going into recovery but just get the update picture and then the red triangle over the phone
-Try flashing RA recovery PC36IMG.zip through Hboot but never asks to update when it scans the img
My questions are Why is it saying I have s-on when revolutionary is saying I have s-off and how do I fix this? Why does my Hboot refuse to update through a PC36IMG.zip and how do i fix this?
drkknight74 said:
Hello I've been on this forum for quite a while, but never really posted anything. Right now I'm struggling with my EVO4g because it's having issues updating the PC36IMG.zip in hboot AND it says it is S-on when other programs such as revolutionary's root program. I'll explain everything I did and provide as much information in return for some help. Also I have googled this issue and no place seems to have a solution to the issues on my EVO.
What went down:
-Decided I want to unroot my phone and start from scratch
-Tried unrooting using this guide http://forum.xda-developers.com/showthread.php?t=780141
-Says i have S-on and Hboot 6.17
-Tried rooting with revolutionary, but says I have s-off already enabled. HBoot says S-on though so this is where i get confused
-Tried going into recovery but just get the update picture and then the red triangle over the phone
-Try flashing RA recovery PC36IMG.zip through Hboot but never asks to update when it scans the img
My questions are Why is it saying I have s-on when revolutionary is saying I have s-off and how do I fix this? Why does my Hboot refuse to update through a PC36IMG.zip and how do i fix this?
Click to expand...
Click to collapse
This is because of your hboot 6.16. That's the hboot that revolutionary gives you after you s-off so it thinks your s-off already. What you have to do is run the ruu again and it will revert your hboot back to 2.16 so you can rerun revolutionary
Sent from my PC36100 using XDA App
Also the reasons the PC36IMG.zip you tried to flash do not work is because your s-on the ONLY thing that will flash in the bootloader is something signed by HTC so trying to flash a recovery ect do not work. Only things signed by HTC are ruus
Sent from my PC36100 using XDA App
Thanks a lot for your help! Worked like a charm
Oh my god finally the thread I was looking for!! I Did the EXACT SAME steps and I am looking for a solution. ATM I have 6.17something HBOOT, android 2.3.3, build 4.54.651.1, kernel 2.6.35.10-g1357ee, and broadbase 2.15.00.0808. Idk if you need any of that but thats some info. PLEASE REPLY I WANT TO FIX THIS PROBLEM!!
-THANK YOU
xMidnitex said:
Oh my god finally the thread I was looking for!! I Did the EXACT SAME steps and I am looking for a solution. ATM I have 6.17something HBOOT, android 2.3.3, build 4.54.651.1, kernel 2.6.35.10-g1357ee, and broadbase 2.15.00.0808. Idk if you need any of that but thats some info. PLEASE REPLY I WANT TO FIX THIS PROBLEM!!
-THANK YOU
Click to expand...
Click to collapse
Are you trying to unroot?
Sent from my PC36100 using XDA App
evo4gnoob said:
Are you trying to unroot?
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Yes. I have "S-on" but when trying to root with revolutionary it says s-off
xMidnitex said:
Yes. I have "S-on" but when trying to root with revolutionary it says s-off
Click to expand...
Click to collapse
Just rerun the ruu again and you have hboot 2.16 again then can reroot with revolutionary if you choose
Sent from my PC36100 using XDA App
Okay but I dont remember where I downloaded the RUU previously. I dont have it on my computer because my hard drive crashed. I remember I was on a page somewhere that had all of the stock ROMs but i dont remember where
xMidnitex said:
Okay but I dont remember where I downloaded the RUU previously. I dont have it on my computer because my hard drive crashed. I remember I was on a page somewhere that had all of the stock ROMs but i dont remember where
Click to expand...
Click to collapse
Here, try this. I was having this same issue and got it fixed. After I ran this RUU there was one more update, but BE CAREFUL. Don't accept the latest update from HTC/Sprint because it changes and locks your HBOOT and there's no way to root it yet. Hope this helps. I ran the ruu, let it do it's thing, accepted one update tht still had HBOOT 2.16, then rooted my phone like normal. Funny thing is, I didn't understand what ANY of this meant just a few days ago, but after 8 hours of reading and scratching my head.. it hit me and it's all pretty simple.
Originally Posted by Football
Here latest RUU for SuperSonic
http://www.filefactory.com/file/cc2d...233_signed.exe
Enjoy!
xMidnitex said:
Okay but I dont remember where I downloaded the RUU previously. I dont have it on my computer because my hard drive crashed. I remember I was on a page somewhere that had all of the stock ROMs but i dont remember where
Click to expand...
Click to collapse
Here's a PC36IMG of the 4.54 ROM you can install through the bootloader:
http://dl.dropbox.com/u/9362091/PC3....15.00.0808_NV_2.15_release_220182_signed.zip

[Q] Re-Rooting Problem

I'm trying to root my brothers Evo again and running into some problems.
Back story: I had rooted his device with Revolutionary and he was running CM7 just fine. He started to have troubles with his screen so we unrooted it and got S-ON back. He took his phone to Sprint and instead of replacing the device, they decided to just replace the screen on it.
Current story: Downloaded Revolutionary and ran it and got this;
Code:
=============================================
| Revolutionary S-OFF & Recovery Tool 0.4pre4 |
=============================================
Brought to you by AlphaRev & unrEVOked.
Waiting for device...
Found your device: PC36100 (supersonic-6.17.0001, Android: 2.3.3, ROM version: 4.53.651.1)
Your device is already S-OFF, what exactly do you think you're doing? Not setting S-OFF.
Do you want to download (Internet connection required) and flash ClockworkMod Recovery? [Y/ny
Downloading recovery for your phone (supersonic)...Done.
Rebooting to fastboot...
Flashing recovery over fastboot...INFOsignature checking...
FAILED. Unable to flash recovery. Please download custom recovery yourself and flash it over fastboot.
So here I am with the HBOOT saying that S-ON and Revolutionary telling me it's off and won't turn it off.
Not sure where to go from here!?
Thanks!
When it tells you that your Device is already S-OFF, you should have an option to turn it off regardless.
If that doesn't work, I guess you could try and use another method to do it.
and if THOSE don't work, I guess you could just sbf flash it it
I don't have an option to turn it off regardless.. it finds the device and logs the fact it thinks S-OFF is present and asks to download the recovery.
I thought revolutionary was the only option for HBOOT 1.6 at this point. Is this incorrect?
Also what do you mean by sbf flash it?
DruKe said:
I don't have an option to turn it off regardless.. it finds the device and logs the fact it thinks S-OFF is present and asks to download the recovery.
I thought revolutionary was the only option for HBOOT 1.6 at this point. Is this incorrect?
Also what do you mean by sbf flash it?
Click to expand...
Click to collapse
You didn't do the last step after getting S-ON, which is flashing a stock ROM. Because of your HBOOT version, Revolutionary thinks you're already S-OFF. You need to flash a stock ROM to normalize your HBOOT version, and then Revolutionary will work.
He cannot flash a stock ROM if he is S-ON. Sbf basically resets everything on your phone back to its "out of the box" state
@Druke, can you get to recovery? If there is no recovery you may want to RUU back to 4.54 then try revolutionary again. Or just go through the un-rooting steps again.
imheroldman said:
@Druke, can you get to recovery? If there is no recovery you may want to RUU back to 4.54 then try revolutionary again. Or just go through the un-rooting steps again.
Click to expand...
Click to collapse
Just remember to not do any updates after RUU'ing back to 4.54! Then you'll have to use other methods to unlock and revert. Good luck.
Flowsick said:
He cannot flash a stock ROM if he is S-ON.
Click to expand...
Click to collapse
This is incorrect. You can flash a signed HTC stock ROM in PC36IMG format (or RUU on a PC for that matter) just fine. As I said, that's the last necessary step to returning the device to stock conditions. Trust me, I've done it probably almost 100 times.
P.S. Since I'm the one that came up with the unrooting method that was used, I would know .
I did try an RUU yes. I will need to try an RUU again. The one I used must have been unsigned or unofficial somehow. Anyone help me out? With the megaupload thing it seems all the links around here have dried up. Thanks!
Sent from my PC36100 using XDA App
DruKe said:
I did try an RUU yes. I will need to try an RUU again. The one I used must have been unsigned or unofficial somehow. Anyone help me out? With the megaupload thing it seems all the links around here have dried up. Thanks!
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
The unrooting Revolutionary root link in my sig has links to some PC36IMG zips that can be flashed in bootloader.
I recommend the 4.54 version. Sometimes it won't work if you're using a version that's too old, or if your SD card isn't a high capacity card or got corrupted somehow.
Captain_Throwback said:
The unrooting Revolutionary root link in my sig has links to some PC36IMG zips that can be flashed in bootloader.
I recommend the 4.54 version. Sometimes it won't work if you're using a version that's too old, or if your SD card isn't a high capacity card or got corrupted somehow.
Click to expand...
Click to collapse
4.54 RUU or PC36IMG is the most likely to work, however, 4.24 and 4.53 contain the same HBOOT needed for Revolutionary to work again as well.
Sent from my PC36100 using XDA Premium App
shortydoggg said:
4.54 RUU or PC36IMG is the most likely to work, however, 4.24 and 4.53 contain the same HBOOT needed for Revolutionary to work again as well.
Sent from my PC36100 using XDA Premium App
Click to expand...
Click to collapse
Of course, but my recommendation was referring to the ones posted in the link .
I tried grabbing the 4.54 version from you post however the link to it is dead.
Got dropbox?
DruKe said:
I tried grabbing the 4.54 version from you post however the link to it is dead.
Got dropbox?
Click to expand...
Click to collapse
It shouldn't be - I refreshed those links earlier today and changed them to 4shared. When did you last try?
So weird.. works now! Thanks a ton! I'll give it a shot this weekend. Hopefully everything goes aces!
Thanks again.

How to get s-on

I rooted with revolutionary and wanted to know the quickest way to get s-on going to flash my stock back up because I'm upgrading my phone. Any help is really appreciated
y do you need to unroot to upgrade? are you trading your phone in?
Yea upgrading to evo 3d compliments of sprint
id say check out this thread. the key is to check that you have s-on, correct hboot version and KEEP you sd card as it will have different partitions, folders and files on it that if gone through can give it away.
http://forum.xda-developers.com/showthread.php?t=780141&highlight=keeping+apps
That unroot method is for the unrevoked root metho I rooted with revolutionary
btaylor545 said:
That unroot method is for the unrevoked root metho I rooted with revolutionary
Click to expand...
Click to collapse
thank you captain throwback http://forum.xda-developers.com/showthread.php?p=16949711#post16949711
do you have the stock nandroid? id say restore to your stock nandroid and do the OTA update... i have read that it will unroot you.
found this link for you roo...
http://forum.xda-developers.com/showthread.php?t=1245649
Run this.
Then flash this after changing the name to PC36IMG.
Then run this again.
SavocaFTW said:
Run this.
Then flash this after changing the name to PC36IMG.
Then run this again.
Click to expand...
Click to collapse
finishing up now so far everything is going good im back to stock just waiting to see if the s-on sticks
alright this worked great traded the phone to sprint S-ON and back to stock thanks a lot of the direction just made my upgrade to the Samsung Epic Touch

Unroot Evo 4G with hboot 2.18 and s-on

Hi everyone, ive been tryin to find a way to unroot my evo so i can take it into sprint. Im currently running MIUI 2.7.6, hboot version 2.18, unlocked. Would really like to put everything back to normal or as close to it as possible. Any help would be great!
Sent from my HTC Evo 4G using xda app-developers app
younginferlife said:
Hi everyone, ive been tryin to find a way to unroot my evo so i can take it into sprint. Im currently running MIUI 2.7.6, hboot version 2.18, unlocked. Would really like to put everything back to normal or as close to it as possible. Any help would be great!
Sent from my HTC Evo 4G using xda app-developers app
Click to expand...
Click to collapse
http://androidforums.com/evo-4g-all...gerbread-2-3-5-dummies-guide.html#post3847623
See the "Unrooting" section.
I was just looking at that method but was unsure if it woild work. I forgot to mention in the beginning of this, that i have tried to use 3 different pc36img files and everytime it said error, main is newer or somethimg like that. But thanks, i will give that method a shot right now and let ya kno how it goes
Sent from my HTC Evo 4G using xda app-developers app
younginferlife said:
I was just looking at that method but was unsure if it woild work. I forgot to mention in the beginning of this, that i have tried to use 3 different pc36img files and everytime it said error, main is newer or somethimg like that. But thanks, i will give that method a shot right now and let ya kno how it goes
Sent from my HTC Evo 4G using xda app-developers app
Click to expand...
Click to collapse
Well the first thing you have to do in the unrooting procedure is downgrade the misc partition so you don't get that message . It's all outlined there nicely, and if you have any questions, it might be easier for you to post over there - they're all very helpful .
Captain_Throwback said:
Well the first thing you have to do in the unrooting procedure is downgrade the misc partition so you don't get that message . It's all outlined there nicely, and if you have any questions, it might be easier for you to post over there - they're all very helpful .
Click to expand...
Click to collapse
Thanks again for the help. Everything went good with achieving the "locked oow" but the only problem im presenting is being able to flash the pc36img file due to the fact that i have to press up in order to update. My volume up button is broken (second time with in a month) which is why im taking my phone into sprint. Im downloading and RUU from rootzwiki to see if im able to flash back to the stock unrooted rom from there or by recovery. Thanks again.
younginferlife said:
Thanks again for the help. Everything went good with achieving the "locked oow" but the only problem im presenting is being able to flash the pc36img file due to the fact that i have to press up in order to update. My volume up button is broken (second time with in a month) which is why im taking my phone into sprint. Im downloading and RUU from rootzwiki to see if im able to flash back to the stock unrooted rom from there or by recovery. Thanks again.
Click to expand...
Click to collapse
If you do an "adb reboot bootloader", and then run the RUU from your PC, you shouldn't have to press any buttons on the device.
Captain_Throwback said:
If you do an "adb reboot bootloader", and then run the RUU from your PC, you shouldn't have to press any buttons on the device.
Click to expand...
Click to collapse
call me a pain or even a noob (cause i am), but i have been trying to run the ruu from pc but seem to be having issues. would you mind posting the proper commands to run?:good::silly:
younginferlife said:
call me a pain or even a noob (cause i am), but i have been trying to run the ruu from pc but seem to be having issues. would you mind posting the proper commands to run?:good::silly:
Click to expand...
Click to collapse
There are no commands to run an RUU from the PC - you just double-click it.
Thats where my problem was, the "RUU" I downloaded from the first thread you mentioned was in .zip format not .exe but all is good now, fully unrooted and back to original crappy malfunctioning 2.3.5 :thumbdown: thanks again for your help and puttin up with my noobness :thumbup:
Sent from my PC36100 using xda app-developers app
hey guys i had to unroot my evo with the unrooting method mentioned above, but i messed up and flashed the s-on and flashed an RUU b4 downgrading the misc partition. The phone also installed the 5.07 OTA with the stock recovery. The phone says it has "s-on" but the hboot is 6.17 and i cannot get it to update back to 2.18, everytime i try to RUU again, i get a error 140 saying bootloader version error. I tried to root again using revolutionary and i get told that the s is already off and get asked to install a custom recovery and that fails every time. i tried to install amon ra via pc36img method in bootloader and it does nothing. i tried using unrevoked since my phone says its hboot 2.16 and unrevoked fails and says my firmware is too new. I tried using htc dev to achieve root again and the cmd gives me an error every time i try to get the code from my phone. i made a booboo and i cant root nor update and i gotta return my phone to sprint since i upgraded my phone to a diff phone. Any ideas guys?
Synergies14 said:
hey guys i had to unroot my evo with the unrooting method mentioned above, but i messed up and flashed the s-on and flashed an RUU b4 downgrading the misc partition. The phone also installed the 5.07 OTA with the stock recovery. The phone says it has "s-on" but the hboot is 6.17 and i cannot get it to update back to 2.18, everytime i try to RUU again, i get a error 140 saying bootloader version error. I tried to root again using revolutionary and i get told that the s is already off and get asked to install a custom recovery and that fails every time. i tried to install amon ra via pc36img method in bootloader and it does nothing. i tried using unrevoked since my phone says its hboot 2.16 and unrevoked fails and says my firmware is too new. I tried using htc dev to achieve root again and the cmd gives me an error every time i try to get the code from my phone. i made a booboo and i cant root nor update and i gotta return my phone to sprint since i upgraded my phone to a diff phone. Any ideas guys?
Click to expand...
Click to collapse
WHAT?? I'm lost. First you said your Hboot is 6.17, then you said your phone says it has Hboot 2.16.
Sounds like your misc partition is screwed up from the different Hboots that your phone had, especially from the 5.07 OTA. If that's the case, there is no current RUU that will work for that (the 5.07 misc). It's there to prevent you from downgrading. You will need the Tacoroot method in order to downgrade your misc partition so that you can run your RUU again. It will give you a temp root so that you can run adb commands to downgrade that misc partition. It's in the rooting method guide from Captain Throwback's link above.
shortydoggg said:
WHAT?? I'm lost. First you said your Hboot is 6.17, then you said your phone says it has Hboot 2.16.
Sounds like your misc partition is screwed up from the different Hboots that your phone had, especially from the 5.07 OTA. If that's the case, there is no current RUU that will work for that (the 5.07 misc). It's there to prevent you from downgrading. You will need the Tacoroot method in order to downgrade your misc partition so that you can run your RUU again. It will give you a temp root so that you can run adb commands to downgrade that misc partition. It's in the rooting method guide from Captain Throwback's link above.
Click to expand...
Click to collapse
My apologies, i was in a rush earlier. My hboot is 6.17, not 2.16. I tried unrooting and did for the most part except getting hboot back to 2.18. In this process, the phone forced itself to update to the new 5.07 OTA that there is no RUU for so im screwed to that end. I am currently trying Tacoroot method but am having issues being stuck at the sprint screen bootloop so i cant run the flash_image command from the sdcard (since the phone isnt starting fully for it to be in "charge only mode"). Seems alot of ppl have that same issue but havent found a solution yet. Not sure if i just start over if it bootloops or not. I've tried 3 complete times now and still get stuck on the bootloop.
Ouch, that sucks. If you cannot boot into the operating system, then there might not be anything that you can do.
shortydoggg said:
Ouch, that sucks. If you cannot boot into the operating system, then there might not be anything that you can do.
Click to expand...
Click to collapse
i can boot into the phone, its just when doing the tacoroot method, i cannot get past the step where the phone goes into the loop and you have to enter 3 commands.
Synergies14 said:
i can boot into the phone, its just when doing the tacoroot method, i cannot get past the step where the phone goes into the loop and you have to enter 3 commands.
Click to expand...
Click to collapse
The looping doesn't matter - you should still have adb access, unless you didn't follow the instructions exactly.
2 steps.. rooted/s-off to perfect stock sprint evo 4g unrooted/s-on
younginferlife said:
Hi everyone, ive been tryin to find a way to unroot my evo so i can take it into sprint. Im currently running MIUI 2.7.6, hboot version 2.18, unlocked. Would really like to put everything back to normal or as close to it as possible. Any help would be great!
Sent from my HTC Evo 4G using xda app-developers app
Click to expand...
Click to collapse
i just stumbled over this method.. unrevoked web site has a s-on tool, go to there site ://unrevoked.com/rootwiki/doku.php/public/forever you will see the blah blah blah tutorial.. scroll down until you get down to:
How can this be removed or undone if I need to take my phone in for service?
Download the latest ''S-ON'' tool to a temporary location and follow the installation instructions above to run it. Once your phone is S-ON, you may lose root permanently if you install an official update.. download it to your phone.. recovery mode.. flash from zip.. poof.. S-ON
now head over to htcevohacks, ://htcevohacks.com/htc-evo-hacks/how-to-unroot-your-htc-evo-4g/ get htc update rom utility for your phone.. that erases entire phone and and places sprints latest stock factory rom and everything back on your phone.. do all sprint updates.. and return to sprint and recieve your refurbished motorola photon.. sprint htc evo 4g has been dissed-continued.. oh yeah if you dont do it in that order.. you will loose your root with update utility.. which means you will have to use unrevoked3 to reroot and flash s-on tool .. done the right way its only two steps.. peace out

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