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Now I rooted my mobile using unrevoked method.
All working well.
Now I want to install custom Rom .
Now my mobile was S-on.
So,how to S-off to install custom Rom?
Or simply update a zip using custom recovery.
Sent from my HTC Desire using XDA App

You don't need to S-off to install a custom rom. Zip and custom recovery will work.
If you want to S-off use AlphaRev, but make sure you know what you are doing and understand the risk.

What is the main use of S-off?
Sent from my HTC Desire using XDA App

Search and you'll find out

I Read and found it.
But I can't understand fully.
If S-on means, we can not access the system fully.
Is correct?
Sent from my HTC Desire using XDA App

svprm said:
I Read and found it.
But I can't understand fully.
If S-on means, we can not access the system fully.
Is correct?
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
Some what correct. If you don't know what it does, don't do it. Non-advanced users doesn't really benefit from s-off and it has the risk of damaging your device. And It's not required for just installing custom ROMs. Reboot to recovery and flash the *.zip from your SDcard, reboot and enjoy.
I would link you to the guide on how to root, but on my phone at the moment. It contains a lot of very good tips to new users on how to install custom stuff after obtaining root.

S-on and boot.img

Hey guys, I just have a quick question I wanted to get clarified. I'm S-on and HTCDev unlocked. When flashing roms from our development section, do we need to flash the boot.img separately via fastboot? The reason I ask is this is not address specifically in the Rom threads in our section, but looking at the Droid DNA, this appears to be necessary for folks who are s-on.
Sent from my unlocked VZW HTC One

jedifire said:
Hey guys, I just have a quick question I wanted to get clarified. I'm S-on and HTCDev unlocked. When flashing roms from our development section, do we need to flash the boot.img separately via fastboot? The reason I ask is this is not address specifically in the Rom threads in our section, but looking at the Droid DNA, this appears to be necessary for folks who are s-on.
Sent from my unlocked VZW HTC One
Click to expand...
Click to collapse
I have been away from HTC for a bit but to the best that I can recall you can't flash kernels in recovery via S-ON, only with S-OFF.
thus, you flash ROM, then reboot to fastboot flash kernel reboot and touchdown!

andybones said:
I have been away from HTC for a bit but to the best that I can recall you can't flash kernels in recovery via S-ON, only with S-OFF.
thus, you flash ROM, then reboot to fastboot flash kernel reboot and touchdown!
Click to expand...
Click to collapse
Thanks Andy, wasn't quite sure based on the info I was seeing, now back to flashing!
Sent from my unlocked VZW HTC One

You can flash boot from recovery if HTCDev unlocked, no S-off needed. An unlocked S-on is basically like a Nexus device, you can flash everything you SHOULD be flashing . See Koush's post about this https://plus.google.com/103583939320326217147/posts/P1i8qzLfkTm
Sent from my HTC6500LVW using xda app-developers app

xenakis said:
You can flash boot from recovery if HTCDev unlocked, no S-off needed. An unlocked S-on is basically like a Nexus device, you can flash everything you SHOULD be flashing . See Koush's post about this https://plus.google.com/103583939320326217147/posts/P1i8qzLfkTm
Sent from my HTC6500LVW using xda app-developers app
Click to expand...
Click to collapse
This is a great explanation and really shows that S-OFF is not a "necessity" as it was before. HTC seems to have listened to concerns regarding DEV Unlock on the One by allowing boot.img to be flashed from recovery.

Thank you for the feedback guys, its been very helpful!
Sent from my HTC6500LVW using Tapatalk 4

[Q] ROMs from a non HTC user

Hello guys. Never used a HTC device (Moto junkie). What must be achieved for root and loading a custom recovery on the One? Also, anything I should know before diving into CM11 nightlies?
Sent from my XT907 using xda premium

For root you must have S-OFF and and an unlocked bootloader. Go find the Rumrunner S-OFF tool which will also help you inject root. Then you can SuperCID your phone to use HTCDev bootloader unlock. Then you can easily flash in a custom recovery, kernel, ROM, etc.

I'm not sure what process the other guy followed but rumrunner will unlock bootloader and soff device. If it runs properly you will also have root. You will probably have to fastboot flash a custom recovery afterwards but that's about it. If you don't have root after using the tool just download supersu zip and flash in recovery.
Sent from my HTC6500LVW using Tapatalk

For roms, I recommend either CM11 or the GPE port (both are 4.4). Both are great. Good luck with S-OFF!
Sent from my HTC6500LVW using XDA Premium 4 mobile app

S-off temproot query

I am fully stock. Now this viper addiction is not letting me live with stock rom. I need to S off, root, and flash the rom.
My query:
If i S-off via temproot method, do i need to root again in order to flash the rom or any mods?
If yes, how do i do that please?
Or just S off is enough to flash the rom?
Sent from my HTC One_M8 using XDA Premium 4 mobile app

You don't need to S-OFF to flash roms just have a twrp or philz recoveries and root and flash away....

Actually i don't wish to have my bootloader unlocked by htcdev... Want to keep it locked
Sent from my HTC One_M8 using XDA Premium 4 mobile app

You cant flash a rom without unlocking your boot-loader. S-off is needed only if you want to make any changes to the hboot. So all you need to do to flash a rom is unlock the bootloader, install a custom recovery and then don't forget to take a nandroid backup before installing the new rom.

If i use http://firewater-soff.com/instructions/ method, do i need to unlock bootloader using htc dev?
Also using the temp root or weak sauce method, do i need to root it permenantly again? And then i need to flash a recovery as well?
I am a bit confused in the process...
Dont know which steps to follow and in which order.
Sent from my HTC One_M8 using XDA Premium 4 mobile app

As far as I understood, WeakSauce only works for the Verizon version, which is also the only one that really needs it, since you cannot unlock the bootloader.
Firewater should work even on temproot, but S-OFF won't magically root your phone. If you S-OFF with WeakSauce, then you can manually unlock the bootloader without going to HTCDev, there is a thread here around, very easy to find. After doing this, you can easily flash a custom recovery and perma-root the phone.

Tried looking for threads regarding s off....
I have International m8. I want to S-off, without using htc dev I want to unlock the bootloader and get perm root.
Anybody can help me on this please.
Sent from my HTC One_M8 using XDA Premium 4 mobile app

mathrania said:
Tried looking for threads regarding s off....
I have International m8. I want to S-off, without using htc dev I want to unlock the bootloader and get perm root.
Anybody can help me on this please.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
As far as I know, there is no known way of achieving this yet. The only temproot method I am aware of is WeakSauce, which should only work on the USA Verizon phone. However they write that trying it out on other variants of the phone should not do any harm. Go and try with it. I tried it on mine and it failed (application crashed), then I gave up and unlocked it with HTCDev.
If you manage to do this, please come back and tell us how you did, there may be other ways to temproot this phone, but they haven't made it to this forum yet.

WTH...
As i have done S off to M7/One X, i thought it would be easier to follow the steps... but , I am stuck with the drivers.
I uninstalled HTC Sync(firewater instructions)
But, I am not getting the drivers for HTC.
Also, ADB commands arent working for me anymore....ADB DEVICES say NO DEVICE FOUND....
I have Windows 7, and on the same laptop I have SOff my M7 few months back .....
ANY help with the links would be appreciated

So once I'm s-off I can install recovery and start flashing roms

Sent from my SM-G920T using XDA Free mobile app

xda23 said:
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Click to expand...
Click to collapse
you don't need s-off to flash roms and recovery - you need an unlocked bootloader is all, you do that for free at htcdev.com

clsA said:
you don't need s-off to flash roms and recovery - you need an unlocked bootloader is all, you do that for free at htcdev.com
Click to expand...
Click to collapse
SO why would someone want or need to get s-off on there device?
Sent from my SM-G920T using XDA Free mobile app

I have a tmobile m9 so my bootloader is unlocked right? Thanks
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xda23 said:
I have a tmobile m9 so my bootloader is unlocked right? Thanks
Sent from my SM-G920T using XDA Free mobile app
Click to expand...
Click to collapse
no .. you have to unlock it and flash TWRP and install SuperSU

clsA said:
no .. you have to unlock it and flash TWRP and install SuperSU
Click to expand...
Click to collapse
OK so when you say unlock it are you referring to getting s-off on the device?If not could you please explain.and also how to unlock it. Thanks
Sent from my SM-G920T using XDA Free mobile app

xda23 said:
OK so when you say unlock it are you referring to getting s-off on the device?If not could you please explain.and also how to unlock it. Thanks
Sent from my SM-G920T using XDA Free mobile app
Click to expand...
Click to collapse
it has nothing to do with s-off
http://forum.xda-developers.com/one-m9/general/best-unlocking-bootloader-rooting-guide-t3087354
http://forum.xda-developers.com/one-m9/general/videos-ultimate-guides-s-off-root-t3072131

I thought tmobile bootloaders were unlocked and Att's bootloaders were locked.I need to unlock it without a computer.Is there away to do it without a computer.I just want to install custom roms,kernels,etc. Thanks In advance!!!
Sent from my SM-G920T using XDA Free mobile app

xda23 said:
I thought tmobile bootloaders were unlocked and Att's bootloaders were locked.I need to unlock it without a computer.Is there away to do it without a computer.I just want to install custom roms,kernels,etc. Thanks In advance!!!
Sent from my SM-G920T using XDA Free mobile app
Click to expand...
Click to collapse
Developer Edition phone's come with the bootloader unlocked and the sim unlocked
AT&T - T-Mobile - Sprint all have to be bootloader unlocked at http://www.htcdev.com/bootloader

S off is just for if you dont want to wipe apps correct?

justdrew said:
S off is just for if you dont want to wipe apps correct?
Click to expand...
Click to collapse
S-off is for converting your phone to a developer edition or International (by changing the CID / MID and flashing a RUU)
or flashing unsigned firmware and for flashing RUU that are older than your current version.
to get s-off you must already be unlocked and rooted

O.k. so basically I need a computer there's no app,etc that can unlock my m9 correct?I don't have a computer that's why I'm asking. Thanks In advance!!!
Sent from my SM-G920T using XDA Free mobile app

S-off is required to update or flash certain parts of the system... but not for custom recovery (TWRP) or custom ROMs. That only requires an unlocked bootloader from HTCDEV.com
For example, once you have a custom ROM, you no longer receive OTA updates. OTA updates not only include the ROM, but also firmware updates as well. Custom ROMs do NOT include firmware updates. (I.E. the latest camera fixes, and updated radios for better signal and improved battery) Developers will often rip the firmware out of the OTAs or RUUs and provide them to be flashed separate and without wiping your device. These are modified (I.E unsigned). Modified, unsigned firmware can not be flashed without S-OFF. I believe To update your firmware without S-Off, you'll need to return to stock with an official RUU and get all the OTAs (if your RUU was not the latest version.) Then flash a custom recovery and your preferred custom ROM again.
Another thing S-Off gives you is the ability to flash firmwares for other regions.. for example I have a developer edition 1.32.617.30 firmware. I can only flash "617" firmwares. I cant flash 1.32.401.17 firmware because the "401" firmwares wont match my CID.. but I can with S-OFF.
Also a word about root.... There is no reason to root your phone if you will flash a custom ROM.. This makes 0 sense since you will root a ROM that you will then proceed to delete. The only reason to Root is if you plan to stick with the stock ROM, or if you want to backup some things that require root before you flash a custom ROM. Root is not required for flashing a ROM.

Will the sunshine tool,app unlock the bootlooder? Thanks
Sent from my HTC One M9 using XDA Free mobile app

xda23 said:
Will the sunshine tool,app unlock the bootlooder? Thanks
Sent from my HTC One M9 using XDA Free mobile app
Click to expand...
Click to collapse
No
SunShine is our bootloader unlock/s-off tool for Motorola and HTC phones. We currently support most HTC phones, and Moto X (2013), MotoG (2013) and Droid Maxx/Mini/Ultra on Android 4.4.3 and lower. All modern HTC devices (m9 m7 m8 e8 Mini2 remix dna etc) devices are supported up to 5.0.1, as long as they are rootable.
Click to expand...
Click to collapse
"as long as they are rootable" means you have to already have the bootloader unlocked Twrp installed and Rooted on the M9

So if I wanted to turn my T-Mobile HTC one m9 into a dev model I just need to unlock the bootlooder and root it.and also get s-off.Is that correct.I thought the dev model had more frequency bands for you can get service in more areas.Is this right or no? Thanks In advance!!!
Sent from my HTC One M9 using XDA Free mobile app

xda23 said:
So if I wanted to turn my T-Mobile HTC one m9 into a dev model I just need to unlock the bootlooder and root it.and also get s-off.Is that correct.I thought the dev model had more frequency bands for you can get service in more areas.Is this right or no? Thanks In advance!!!
Sent from my HTC One M9 using XDA Free mobile app
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Click to collapse
You don't need root for that. Just S-off.
You can flash the dev edition RUU, but it's not going to disable/enable any bands. That's all hardware. You also lose wifi calling.

aooga said:
You don't need root for that. Just S-off.
You can flash the dev edition RUU, but it's not going to disable/enable any bands. That's all hardware. You also lose wifi calling.
Click to expand...
Click to collapse
OK I never use Wi-Fi calling.so does the dev edition have more or different bands or are the band's the same as the T-Mobile version.so it Is possible to duplicate the dev edition to make my T-Mobile model the same as it. Thanks
Sent from my HTC One M9 using XDA Free mobile app

xda23 said:
SO why would someone want or need to get s-off on there device?
Sent from my SM-G920T using XDA Free mobile app
Click to expand...
Click to collapse
Having S-off means you can update the phone firmware (think: bios) without having to wait for a.carrier OTA. This ability is different than unlocking your bootloader which enables you to flash a ROM. Without these two things, the only way to update your phone is to wait for the carrier to get around to it. For example, we who also own M7s already are running LP, while the rest of the AT&T customers wait l.
One thing I would encourage you to do is to READ THE GUIDES THOROUGHLY, because your questions clearly indicate you are not familiar with the process or what you are doing, and one mistake can possibly brick your phone.

xda23 said:
OK I never use Wi-Fi calling.so does the dev edition have more or different bands or are the band's the same as the T-Mobile version.so it Is possible to duplicate the dev edition to make my T-Mobile model the same as it. Thanks
Sent from my HTC One M9 using XDA Free mobile app
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Click to collapse
Yeah, the dev edition has the exact same hardware as the ATT model. The bands are different. If you want to use the phone on Tmobile, the tmobile version will be the most optimized.
The most you can do is flash the dev edition RUU.