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From Sony To HTC One, Utterfly Confused

Hi guys. I shifted from my old Sony Xperia Sola to the beautiful HTC One and I'm loving it. The phone was gifted to me and is from from Singapore (or perhaps bought in one of those countries around there). The problem is that I'm just not getting the Android 4.2.2 update (OTA or software). Here's what I intend to do:
- Download International HTC One Andorid 4.2.2 Stock ROM
- Boot into HTC One stock recovery
- Flash Android 4.2.2 Stock on my HTC One
Questions:
1. Do I need to unlock my bootloader for this? From my experience with Sony, I shouldn't need to do so. For Sony phones there's FTF, for HTC phones there's (what? Is it RUU files?)?
2. Can I make this update on stock ROM?
3. Can I install CWM without unlocking bootloader and ROOT my phone as well?
Would really appreciate some help, just links to the respective threads and I'll take it from there.
Thanks!

You need unlocked boatloader for custom recovery , root , flashing , if I were you I'd fist s-off then do the following.
Sent from my HTC One using xda premium

Ha nice, I am also coming from the sola
Sent from my HTC One using xda app-developers app

Shan89 said:
You need unlocked boatloader for custom recovery , root , flashing , if I were you I'd fist s-off then do the following.
Sent from my HTC One using xda premium
Click to expand...
Click to collapse
Is there no way I can flash the OFFICIAL Android 4.2.2 update using stock recovery?

thunderising said:
Hi guys. I shifted from my old Sony Xperia Sola to the beautiful HTC One and I'm loving it. The phone was gifted to me and is from from Singapore (or perhaps bought in one of those countries around there). The problem is that I'm just not getting the Android 4.2.2 update (OTA or software). Here's what I intend to do:
- Download International HTC One Andorid 4.2.2 Stock ROM
- Boot into HTC One stock recovery
- Flash Android 4.2.2 Stock on my HTC One
Questions:
1. Do I need to unlock my bootloader for this? From my experience with Sony, I shouldn't need to do so. For Sony phones there's FTF, for HTC phones there's (what? Is it RUU files?)?
2. Can I make this update on stock ROM?
3. Can I install CWM without unlocking bootloader and ROOT my phone as well?
Would really appreciate some help, just links to the respective threads and I'll take it from there.
Thanks!
Click to expand...
Click to collapse
When you say you want to flash stock ROM, do you actually mean official 4.2.2 or are you talking about a custom Stock ROM like ARHD? ... If you want to flash a custom ROM you will need a custom recovery such as TWRP or CWM. If you want to flash an RUU then you will need to be S-Off to flash anything other than the one meant for the region the phone came from.
Your bootloader needs to be unlocked to flash custom recovery, also, if you decide to flash something like ARHD which is the best custom ROM IMO (and is almost completely stock but with a few improvements) then it already has root built into the ROM. Just unlock your bootloader, install custom recovery usng fastboot and then flash a ROM using CWM or TWRP, whichever you install.
Check these threads for any info .. http://forum.xda-developers.com/showthread.php?t=2183023 ... http://forum.xda-developers.com/showthread.php?t=2265618

Hi. Thanks for your reply. @AllAboutTheCore
If you want to flash an RUU then you will need to be S-Off to flash anything other than the one meant for the region the phone came from.
Click to expand...
Click to collapse
My phone software (.407) belongs to the India region. And I want to flash the official Android 4.2.2 ROM for the Indian HTC One version.
Your bootloader needs to be unlocked to flash custom recovery, also, if you decide to flash something like ARHD which is the best custom ROM IMO (and is almost completely stock but with a few improvements) then it already has root built into the ROM. Just unlock your bootloader, install custom recovery usng fastboot and then flash a ROM using CWM or TWRP, whichever you install.
Click to expand...
Click to collapse
Alternatively, I'm considering flashing ARHD. Doesn't matter if I'm using an Indian region variant right? (GSM)
So I need to:
- Unlock the bootloader
- Install Recovery
- Flash ROM
That's it correct? I lose all the information in my internal storage or it stays? (I mean in the 32GB internal storage)
Also, can I lock bootloader and go back to official ROM at any stage in the future?

thunderising said:
Hi. Thanks for your reply. @AllAboutTheCore
My phone software (.407) belongs to the India region. And I want to flash the official Android 4.2.2 ROM for the Indian HTC One version.
Alternatively, I'm considering flashing ARHD. Doesn't matter if I'm using an Indian region variant right? (GSM)
So I need to:
- Unlock the bootloader
- Install Recovery
- Flash ROM
That's it correct? I lose all the information in my internal storage or it stays? (I mean in the 32GB internal storage)
Also, can I lock bootloader and go back to official ROM at any stage in the future?
Click to expand...
Click to collapse
Yep, unlock your bootloader which will wipe your internal storage so backup to your pc first if there's things you want to keep. Install a custom recovery using fastboot and then you can just flash any ROM, ARHD is a very good choice btw lol.
If you want to return to stock then check the second thread in my previous post, but yes, you can flash a stock ROM like in the thread I mentioned, install a stock recovery, re-lock your bootloader and then you should be good to go as far as OTA updates etc.
This is assuming you are S-On btw, S-Off requires different steps for what I mentioned and I am not familiar with that way at all as I'm S-On. What I mentioned above is exactly what I did when I reverted to stock to receive the recent 4.2.2 update in the UK
I don't know which files you need to restore to stock as the thread is for the European version of the One and I don't know how your version differs but someone will be able to advise you more on that . The process is the same though if you are S-On, I'm just not 100% sure what custom ROM or stock ROM you would need for your variant of the ONE so best let somebody more knowledgeable take over from here lol
Good luck.

Phew. S-On S-Off, Sony phones are a hell lot simpler! Thanks a ton!

thunderising said:
Phew. S-On S-Off, Sony phones are a hell lot simpler! Thanks a ton!
Click to expand...
Click to collapse
No worries ... Yep lol, Not as good though

[Q] Firmware update without S-OFF by switching back to StockRom and Update?

Hi everybody.
my HTC one has Viper 5.8 running with S-ON and i like it that way.
I never updated the Firmware since i moved from the 4.2.2 stock rom. (i have nandroid backup of the stock rom)
I am a bit scared doing S-OFF "just" to update firmware, hboot and radio, I know it should be easy to do, but i just don't want to.
So i thought that maybe i can flash back to the stock rom, then make the offical HTC update to 4.3 sense 6 (should also flash newest firmware right?) and then unlock the bootloader again, flash twrp and custom rom again.
Would that work? Is there something i have to pay attention to?
thx for any help!!!!

sancho777 said:
Hi everybody.
my HTC one has Viper 5.8 running with S-ON and i like it that way.
I never updated the Firmware since i moved from the 4.2.2 stock rom. (i have nandroid backup of the stock rom)
I am a bit scared doing S-OFF "just" to update firmware, hboot and radio, I know it should be easy to do, but i just don't want to.
So i thought that maybe i can flash back to the stock rom, then make the offical HTC update to 4.3 sense 6 (should also flash newest firmware right?) and then unlock the bootloader again, flash twrp and custom rom again.
Would that work? Is there something i have to pay attention to?
thx for any help!!!!
Click to expand...
Click to collapse
Since you don't want S-Off, that is your best option. I would follow closely @Mike1986 [GUIDE] Complete Flashing Guide | Rooting | Going Back To Stock it is for those who are S-On.

Thanks, I will follow the guide.
But I have one more question:
Can I do the official HTC update from the htc stock rom while I still have custom recovery and bootloader unlocked?
Can't find any any info if there is any risk involved not changing back first to stock recovery and bootloader relocked before doing the update.
I guess recovery will be overwritten by the official update?!?

You need stock recovery and locked bootloader to take updates

SaHiLzZ said:
You need stock recovery and locked bootloader to take updates
Click to expand...
Click to collapse
you don't need a locked bootloader to get an official ota update,however,you do need to flash a stock recovery !!.
I went through the ota update method to update my firmware as for some reason my htc one wouldn't s-off and I felt that it wasn't running as it should on custom roms with the old firmware.
I started off with a flashable zip -4.06.1540.2,developer edition then ota updates,always doing a nand backup of rom.
always pull the stock recovery image from the ota before updating...
i'm now running 5.11.1540.9 firmware and all custom roms are running good...
if you google 4.06.1540.2 dev edition flashable zip you should find it,if not,i can upload it too somewhere for you...
an official htc ota update changes your firmware and installs a stock recovery..
its a bit long winded this way,but,it was the only way for me !!

markb63 said:
I started off with a flashable zip -4.06.1540.2,developer edition then ota updates,always doing a nand backup of rom.
always pull the stock recovery image from the ota before updating...
Click to expand...
Click to collapse
First thank you for sharing your experience.
When you say "zip -4.06.1540.2,developer edition" then you mean the rom, correct?
Why would you pull the stock recovery from the OTA before updating? What would be the consequence of leaving it in?
...
so i would download the odexed stock rom from http://forum.xda-developers.com/showthread.php?p=48111304
and afterwards flash the according recovery.img, correct?
i guess it is no problem that my phone (and their for the bootloader) was not a developer edition

sancho777 said:
First thank you for sharing your experience.
When you say "zip -4.06.1540.2,developer edition" then you mean the rom, correct?
Why would you pull the stock recovery from the OTA before updating? What would be the consequence of leaving it in?
Click to expand...
Click to collapse
yeah,it's a full flashable rom,that can be installed by custom recovery,when I say pull the stock recovery,i mean copy it to a folder on your pc,always best to have the matching recovery for your stock rom.

Rooted with towelroot.What next?

Dear all,
I have rooted my device which is running 4.3 (c5502) (build number: . 101) with towelroot. Now i need to install any custom ROM. I came to know that it requires to install recovery first before flash any ROM. I stuck there..Can you please guide me. I didn't unlock my bootloader yet but I had my TA backup with me.Thanks in advance guys.

whatever u need to know is already there. just search for it. if u expect to be spoonfed then you really shouldn't mess with your phone

The thing is, do we really need to unlock boot loader to flash custom roms, or can it be closed just with root and recovery?
No one tryed it till now I think.
Greetings.

Lemmi1 said:
The thing is, do we really need to unlock boot loader to flash custom roms, or can it be closed just with root and recovery?
No one tryed it till now I think.
Greetings.
Click to expand...
Click to collapse
Yes for flashing custom Roms the bootloader must be unlocked and a recovery must be installed however if you want to flash a stock based Rom unlocked boot loader is not needed. Just Root and Recovery needed for flashing the stock based Roms. Correct me if i am wrong.

[Q] Rooting Hboot 1.57.0000

Hey guys,
Im new to HTC One. I have Tmobile version running on stock sense 6. I wanted to install a custom stock rom without the Tmobile Bloatware.
I know how to unlock the bootloader using HTC Dev method and install recovery to root. But i am a bit confused about S-Off. I have read that S-off will not work with Hboot 1.57.0000
So my questions are
1. Do i really have to S-off to install custom roms on HTC?
2. If not can i install ROMs for the int. version on my phone ?
3. Does the CID ver/number have anything to do with unlocking and rooting?
Thanks in advance.

1 No
2 Yes
3 No
If any time after install custom Rom you need revert back to Stock Rom for Warranty purposes you need S Off

You can s off with 1.57 if you need to. If Firewater doesn't work sunshine will but it'll cost u $25

yatindroid said:
1 No
2 Yes
3 No
If any time after install custom Rom you need revert back to Stock Rom for Warranty purposes you need S Off
Click to expand...
Click to collapse
Thank you for the reply. I have successfully rooted my stock rom and installed CWM recovery. And i have flashed custom kernel too.
I would now like to flash a 4.4.3 sense custom rom. I have read on some threads that the kernel wont be flashed on S-on devices. So do i have to flash a custom rom always after flashing a custom rom?
And one more thing. I currently have CWM touch recovery. I have seen lot of roms require TWRP. So my question is does the recovery image depend on the HTC variant? I have a Tmobile M7UL

pasanjay said:
Thank you for the reply. I have successfully rooted my stock rom and installed CWM recovery. And i have flashed custom kernel too.
I would now like to flash a 4.4.3 sense custom ROM. I have read on some threads that the kernel wont be flashed on S-on devices. So do i have to flash a custom rom always after flashing a custom ROM?
Click to expand...
Click to collapse
Correct your Q
you don't need always flash custom kernel See requirement of kernel for custom ROM at their post
custom kernel don't need S Off ( it can be flashed with S On and it HELPS GETTING S Off)
S On wont let you flash Lower firmware or kernel then present now. see bootloader screen for that
And one more thing. I currently have CWM touch recovery. I have seen lot of roms require TWRP. So my question is does the recovery image depend on the HTC variant? I have a Tmobile M7UL
Click to expand...
Click to collapse
for your phone TWRP 2.6.3.4 for Verizon / Sprint phone have different recovery

yatindroid said:
Correct your Q
you don't need always flash custom kernel See requirement of kernel for custom ROM at their post
custom kernel don't need S Off ( it can be flashed with S On and it HELPS GETTING S Off)
S On wont let you flash Lower firmware or kernel then present now. see bootloader screen for that
for your phone TWRP 2.6.3.4 for Verizon / Sprint phone have different recovery
Click to expand...
Click to collapse
so i should be able to flash 4.42 and above sense roms and AOKP roms right? BTW i flashed TWRP 2.7.1.1 for M7. will that caouse any problems?
Thank you for the reply.

pasanjay said:
so i should be able to flash 4.42 and above sense roms and AOKP roms right? BTW i flashed TWRP 2.7.1.1 for M7. will that caouse any problems?
Thank you for the reply.
Click to expand...
Click to collapse
yes You can flash any firmware same or higher version
TWRP 2.7.1.1 I not tried till but 2.6.3.3/4 is perfect

If only you could root your phone without having to unlock your bootloader so that you could know whether you can S-OFF or not.

[Q] Firmware questions

So, I am rooted and have TWRP for my recovery, running a custom stock rom. I'm wanting to upgrade to a new Lollipop ROM, but they all say that firmware 4.20.651.10 is required. I looked into how to upgrade the firmware, and all I found was that I need to get back on stock recovery, with a locked bootloader. My question is. . .can anyone help my get stock recovery with a locked bootloader again? I have the Harman/Kardon edition.

JohnDoe000 said:
So, I am rooted and have TWRP for my recovery, running a custom stock rom. I'm wanting to upgrade to a new Lollipop ROM, but they all say that firmware 4.20.651.10 is required. I looked into how to upgrade the firmware, and all I found was that I need to get back on stock recovery, with a locked bootloader. My question is. . .can anyone help my get stock recovery with a locked bootloader again? I have the Harman/Kardon edition.
Click to expand...
Click to collapse
are you s-off

No, I'm not S-Off.

Pull the stock recovery from the 3.31 Full Firmware.

JohnDoe000 said:
So, I am rooted and have TWRP for my recovery, running a custom stock rom. I'm wanting to upgrade to a new Lollipop ROM, but they all say that firmware 4.20.651.10 is required. I looked into how to upgrade the firmware, and all I found was that I need to get back on stock recovery, with a locked bootloader. My question is. . .can anyone help my get stock recovery with a locked bootloader again? I have the Harman/Kardon edition.
Click to expand...
Click to collapse
No need to update via ota, just update firmware & install a 4.20 custom ROM.
Sent from my 831C using XDA Premium 4 mobile app

O.M.J said:
No need to update via ota, just update firmware & install a 4.20 custom ROM.
Sent from my 831C using XDA Premium 4 mobile app
Click to expand...
Click to collapse
So that's it? I thought I had to go back to stock in order to flash the new firmware, even through the download available here on the site.

No , you just have to make sure you flash the full firmware and not the modified ones