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Is the Asus tool the only way to unlock the bootloader?

Like the title says, is the Asus tool the only way? From what I read I need to have the bootlader unlocked to install custom roms, right? Thanks!

ems328i said:
Like the title says, is the Asus tool the only way? From what I read I need to have the bootlader unlocked to install custom roms, right? Thanks!
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up to now, yes

Blubberor said:
up to now, yes
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Thanks. I should be buying a TF300 in the next few days. If I do the JB OTA and then unlock, and decide that I don't like JB, will I be able to install ICS roms? Would I have to downgrade the firmware? Thanks again for any help...

ems328i said:
Thanks. I should be buying a TF300 in the next few days. If I do the JB OTA and then unlock, and decide that I don't like JB, will I be able to install ICS roms? Would I have to downgrade the firmware? Thanks again for any help...
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Even with an unlocked bootloader, there's currently no way back to ICS from JB. So if you update, you're stuck there for now. There are one or two custom JB Roms though if you aren't happy with stock JB.

mozyman said:
Even with an unlocked bootloader, there's currently no way back to ICS from JB. So if you update, you're stuck there for now. There are one or two custom JB Roms though if you aren't happy with stock JB.
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Thanks for that. If I go the other way around and stick with ICS and unlock the bootloader, will I be able to upgrade to JB later (not necessarily stock JB)?

Lock the bootloader and install latest FW

Hello
I want do re-lock my bootloader and install the lastest original AT&T rom.
How can i lock it back ?
thanks.

Why? Warranty purpose or selling it?
Otherwise just install a pre-rooted stock ROM from Development.

kpyhere said:
Hello
I want do re-lock my bootloader and install the lastest original AT&T rom.
How can i lock it back ?
thanks.
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Click to collapse
Fastboot oem lock
redpoint73 said:
Why? Warranty purpose or selling it?
Otherwise just install a pre-rooted stock ROM from Development.
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+1
Sent from my HTC One XL cellular device over clocked to 1.9Ghz

Downgrade JB -> ICS

I haven't a concrete answer on this, so i'll ask.
Q. Can our HTC Sensations once on a JellyBean ROM be downgraded to an ICS ROM? if so how?

orateam said:
I haven't a concrete answer on this, so i'll ask.
Q. Can our HTC Sensations once on a JellyBean ROM be downgraded to an ICS ROM? if so how?
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if you have 3.32fw or 3.33fw version so any ics or jelly bean rom will work
just flash from recovery
always do a nandroid backup first

it's not that simple. you'll get boot loop. maybe need to use blank sd card. or just use JB. what's wrong with JB anyway?

Since there is no information given about the specific phone in question it is hard to answer the question...
But yes you can move between JB and ICS...
I do so regularly... But since nothing about the specific phone is provided-- can't realy say if you can or not.

Re: Downgrade JB -> ICS
badai said:
it's not that simple. you'll get boot loop. maybe need to use blank sd card. or just use JB. what's wrong with JB anyway?
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Bootloop ???
And blank sd card for what ??? :what:
Mate ics and jelly beans run on same firmware . . 3.3x for HTC sensation
So u don't require to do somethin special for downgrading jelly to ics
If u want to downgrade ics or jelly beans to gingerbread . . Then u have to downgrade firmware first then Rom . .
Sent from my HTC Sensation Z710e using xda app-developers app

[Q] What's next after rooting my Xperia J ICS

Hey guys,just moved on to xperia series here with my J, never did modifiying,customizing and others.
Question here,just rooted my phone here, if I want to customize the rom,kernel and other tweak, do I need to flash CWM, or unlocked bootloader,and is it possible just use based ICS only?
Really need help here, really blind for this things
Thanks before :beer:
Sent from my ST26i

you can unlock the bootloader if you want to flash custom kernels, howver I think there is a way to install cwm with locked bootloader.
Sent from my ST21i using Tapatalk 2

Angelcho said:
you can unlock the bootloader if you want to flash custom kernels, howver I think there is a way to install cwm with locked bootloader.
Sent from my ST21i using Tapatalk 2
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Well,ok..and what can I do if I just put cwm without unclocked bootloader,can I flash custom rom? Thanks
Sent from my ST26i

Do OTA to get jelly bean rooted! for custom roms u need to unlock bootloader i guess..sony offers official unlocking and flashing softwares check it out =)

ArunHellA said:
Do OTA to get jelly bean rooted! for custom roms u need to unlock bootloader i guess..sony offers official unlocking and flashing softwares check it out =)
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Do I have to unroot from ics to get OTA jellybean work? I've read that the way of rooting ics and jellybean are different.
sent from my Powerful Xperia & Wonder (҂'̀⌣'́)9

[Q] HTC Butterfly X920D JB 4.3 new OTA update issue

Hello guys, I have a very little issue after downloading the OTA to install it
You can find the software version details for my HTC Butterfly X920D in attachments and more info also.
JB 4.3.
Simply I checked for new updates and I found there is new updates as you see in attached pics. Definitely I tapped update and then unfortunately it shown Variant system version! as you see in attached pic
I've relocked my phone and replaced TeamWin recovery with the original stock recovery but also I'm getting the same message
You can find a screenshot for my Bootloader and the Recovery in attachments.
I don't know actually If my rom is stock or not but as you see the screenshots guys, can you tell me?
and can you tell me how to solve the OTA issue in order to download and install it successfully?
Thanks, best regards.
​

Dear Omar,
I have same issue, because I have no original stock recovery...
While trying to install, and have to reboot, the instalation has failed...
Can you share the original stock recovery?
Thanks

iwakpitik said:
Dear Omar,
I have same issue, because I have no original stock recovery...
While trying to install, and have to reboot, the instalation has failed...
Can you share the original stock recovery?
Thanks
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Click to collapse
Yes sure, here is it man:
https://mega.co.nz/#!R8xnDY6L!c9GxJmlqyNQvWd7N6Xx8QiNAISF7vec-Z_EbUYtQC6M
a small question, is ur rom 4.3? n from where u got it ?
thanks

Omar-STD said:
Yes sure, here is it man:
https://mega.co.nz/#!R8xnDY6L!c9GxJmlqyNQvWd7N6Xx8QiNAISF7vec-Z_EbUYtQC6M
a small question, is ur rom 4.3? n from where u got it ?
thanks
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Dear Omar,
First, thanks for the link for Stock Recovery...
but because I cannot wait for any longer, LOL, I just diggin' arround and find this post and find the stock Recovery.
After Flashing the stock recovery I'm able to install OTA for 4.3, even with unlocked bootloader! :yay:
Before get 4.3 OTA, my past ROM is Stock 4.2.2
My butterfly doesnot use any custom ROM, What I've done is unlocked bootloader, root and custom recovery (TWRP).
Thanks

Anyone knows u don't need to relock bootloader to install an ota lol
Sent from my HTC Butterfly s using XDA Premium 4 mobile app

daorderdillon said:
Anyone knows u don't need to relock bootloader to install an ota lol
Sent from my HTC Butterfly s using XDA Premium 4 mobile app
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hahaha not anyone mate...
I din't know before installing this OTA