[How To] Flash ICS ROMs with S-ON Unlocked

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Limewirelord

Senior Member
Feb 8, 2012
195
84
This only really applies to those with S-ON Unlocked, HBOOT 1.45.0013. Once we figure out how to get S-OFF on all phones, this guide will become unneeded! In the meantime, this is here for those of us that are S-ON but want to play with ICS. :)

THIS TUTORIAL ALSO APPLIES TO ANY CUSTOM ROMS THAT REQUIRE A CUSTOM KERNEL.

If you're S-ON LOCKED, go HERE and UNLOCK your phone!

I'm assuming you have
  • Fastboot set up as a PATH, or copied to the folder you are extracting boot.img to
  • HTC Drivers installed
  • Clockwork Recovery

1.) Grab your ROM of choice.
2.) Open up your ROM in 7zip or another file compression program.
3.) Extract the "boot.img" file that's inside to a folder.
4.) Open the command prompt and go to the folder you extracted the "boot.img" file too.

lT7K0.jpg


"cd" in the command prompt stands for "change directory", so you will need to type that before the path to where your boot.img file is located.

5.) Reboot your phone into fastboot mode. To do this, turn off your phone by holding down the "Volume down" and "Power" buttons until the fastboot screen arrives. There should be three Androids on skateboards on the bottom.
6.) Press the power button once on the "fastboot" option. Your phone should now connect to the computer and it should say "fastboot usb" on your phone.
7.) In the command prompt, type the following command:
Code: 
fastboot flash boot boot.img
8.) Assuming you've done everything properly, this will overwrite the existing kernel on your phone with the kernel that comes with your ROM.
9.) Now, reboot your phone into Recovery. At this point, flash your ROM by flashing the zip file.
10.) Reboot and enjoy your new ROM!

Thanks to Blue6IX for telling me how to do this and to yogi2010 for making me realize I forgot to tell people to actually flash the ROM itself. Figured I'd make a guide for those that didn't know about it since it's probably hidden somewhere underneath pages and pages of comments on other ROMs.
 
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7

757VaPtown

Guest
I'm also lucky the phone I purchased off Craigslist was root able.

Sent from my HTC myTouch_4G_Slide using xda premium
 
xzuhto

xzuhto

Senior Member
Jan 27, 2009
65
3
Indianapolis
Will this method work for all of the ROMs we have here for the mt4gs? One I have been looking at is Bulletproof. If I use the same technique you've explained, will I get the same end result?
 
manimmal

manimmal

Senior Member
Dec 2, 2010
129
37
Somewhere in Florida
Just got a MT4GS a couple days ago. It was updated to 1.45.0013. I read up to see that it couldn't be S-OFF'd or rooted due to locked bootloader..."oh crap!". Searched more and ran into this... "hells yeah!" Worked like a charm! Now running Pyr-o-ice desensed...awesome stuff! Thanks a lot!
 
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Blue6IX

Blue6IX

Senior Member
May 20, 2011
1,755
1,139
d3athb4dishonor said:
YESSSSS!!! But got damn I can't wait until S-OFF is a reality. This sucks lol but its better than having Tmobile take over ym phone with retarded apps. Thanks to all you DEV dudes who work hard for this device..
Click to expand...
Click to collapse

We'll nail it eventually. It's a tough nut to crack, but at least along the way we found a temporary fix.

We can now go back to S-ON from S-OFF, and the standard response to how to do that for the longest time was 'it's not possible'. Anything is possible with the right amount of effort invested. I am sure we'll come up with some more goodies along the way...some are brewing even now.

I've made S-ON to S-OFF my life's work until it's done, and have mostly given up on everything else I was working on to achieve that end.

There are a few other devs who have been spending a lot of time on this as well, and we are working together and unraveling the issue one layer at a time.

We'll get it, but it's the toughest nut to crack - the manufacturer is doing whatever they can to prevent us from being able to do so...there is a specific effort to block us from doing it that must be overcome.

Meantime, since we don't have a real RUU for this phone on any software version, the search for one came back with the leaked copy of the OTA as an official signed HTC package. ( To me it seemed like a consolation prize after the exhausting search for an RUU...didn't get one, but got at least this )

I'm glad someone went ahead and made a guide for people to use it to at least get unlocked since HTC broke the OTA they actually pushed over-the-air, this package is what it was supposed to be.

Hang in there, we'll get all you guys S-OFFed as soon as we can!
 
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M

mrbmg

Senior Member
Nov 14, 2010
828
124
Midlothian, TX
Y'all are doing a kickass job man. I'm sure once this phone is all the way opened up and dev see that, it will gain more publicity. I unlocked my phone with the htcdev.com, but haven't loaded up a rom yet. All I've really done is uninstalled a few bloatware apps, but can't wait until I can have total access to everything and see what this badboy has to offer.

Sent from my myTouch_4G_Slide using xda premium
 
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CoNsPiRiSiZe

CoNsPiRiSiZe

Senior Member
Jul 14, 2010
1,964
343
Roseville
First off: Thanks are due across the board, as well as to the man who made the .exe Noob-proof app it helped a little bit and worked great


Second: Okay.. I recieved a warranty replacement..new HBoot. following this guide I did all required.

UPON using fastboot command to boot the boot.img it reboots and starts to boot up PyroIce 1.1.2..... which you say isnt right since i need to flash the ROM again in Recovery..

If i Do that it wont boot again and hangs on the MT4GS splash screen, i think it is actually due to the fact that i also flash the adreno drivers patch, but i am not going to try and tinker with it.

bottom line, working... thanks so much guys :D:D:D:D:D:D:D:D
 
cj chitwood

cj chitwood

Senior Member
Jun 7, 2009
612
79
Cowford, FL - OnePlus 7T running Res Remix 8.5.9
plus.google.com
shazam1203 said:
ok.. noob question, can I flash boot after flashing custom rom?
Click to expand...
Click to collapse

I've seen that boot.img is where the kernels are, and I've seen that to flash an ICS ROM in that thread that in order to flash an ICS ROM on a MT4GS you need to flash a kernel after the ROM, in the form of a boot.img.

So I'll say, hesitantly, "yes".

Unless, of course, you meant something else. That, or, I misunderstood something somewhere...

---------- Post added at 08:34 PM ---------- Previous post was at 08:18 PM ----------
CoNsPiRiSiZe said:
First off: Thanks are due across the board, as well as to the man who made the .exe Noob-proof app it helped a little bit and worked great
Click to expand...
Click to collapse

I don't know about the dot-exe but I'll agree nonetheless.

CoNsPiRiSiZe said:
Second: Okay.. I recieved a warranty replacement..new HBoot. following this guide I did all required.

UPON using fastboot command to boot the boot.img it reboots and starts to boot up PyroIce 1.1.2..... which you say isnt right since i need to flash the ROM again in Recovery..

If i Do that it wont boot again and hangs on the MT4GS splash screen, i think it is actually because i also flash the adreno drivers patch, but i am not going to try and tinker with it.

bottom line, working... thanks so much guys :D:D:D:D:D:D:D:D
Click to expand...
Click to collapse

I don't know much about the whole ROM thing and Android in general. I come from G1 land, where everything was easy :D. You just flash the ROM and you're done. However, if I understand correctly, here you just flash the ROM you want (ICS whatever) and then the kernel (boot). Did I miss something along the way?

I would think that the kernel should be no different conceptually than the one in Linux (or Windows, or OS-X, or...). It's the interface between the software packages ("Android", plus the apks, framework, all that) and the hardware. So really, I don't see why any ROM shouldn't work as long as your kernel has everything the ROM needs to interface with the hardware and the framework has everything the ROM needs to interface with the software (or the software with the kernel). Do I understand correctly?

[EDIT]
I just reread that... you booted the hboot via fastboot instead of writing it to the phone first... which I guess is smarter than what I did -- cus if it won't work at least you don't brick it that way. Do you have a link to the howto for that? I'm sure it's simple and easy, I just have never done it...
[/EDIT]
 
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  • 35
    L
    Limewirelord
    This only really applies to those with S-ON Unlocked, HBOOT 1.45.0013. Once we figure out how to get S-OFF on all phones, this guide will become unneeded! In the meantime, this is here for those of us that are S-ON but want to play with ICS. :)

    THIS TUTORIAL ALSO APPLIES TO ANY CUSTOM ROMS THAT REQUIRE A CUSTOM KERNEL.

    If you're S-ON LOCKED, go HERE and UNLOCK your phone!

    I'm assuming you have
    • Fastboot set up as a PATH, or copied to the folder you are extracting boot.img to
    • HTC Drivers installed
    • Clockwork Recovery

    1.) Grab your ROM of choice.
    2.) Open up your ROM in 7zip or another file compression program.
    3.) Extract the "boot.img" file that's inside to a folder.
    4.) Open the command prompt and go to the folder you extracted the "boot.img" file too.

    lT7K0.jpg


    "cd" in the command prompt stands for "change directory", so you will need to type that before the path to where your boot.img file is located.

    5.) Reboot your phone into fastboot mode. To do this, turn off your phone by holding down the "Volume down" and "Power" buttons until the fastboot screen arrives. There should be three Androids on skateboards on the bottom.
    6.) Press the power button once on the "fastboot" option. Your phone should now connect to the computer and it should say "fastboot usb" on your phone.
    7.) In the command prompt, type the following command:
    Code: 
    fastboot flash boot boot.img
    8.) Assuming you've done everything properly, this will overwrite the existing kernel on your phone with the kernel that comes with your ROM.
    9.) Now, reboot your phone into Recovery. At this point, flash your ROM by flashing the zip file.
    10.) Reboot and enjoy your new ROM!

    Thanks to Blue6IX for telling me how to do this and to yogi2010 for making me realize I forgot to tell people to actually flash the ROM itself. Figured I'd make a guide for those that didn't know about it since it's probably hidden somewhere underneath pages and pages of comments on other ROMs.
    View
    6
    A
    arrrghhh
    Limewirelord said:
    We should just get you and Blue moderator status lol
    Click to expand...
    Click to collapse

    This thread's been reported!





    And thusly stickied. Voila!
    View
    3
    tbalden
    tbalden
    probably worth stickying for a while till we get to know how to downgrade to an s-offable state?
    View
    3
    Blue6IX
    Blue6IX
    d3athb4dishonor said:
    YESSSSS!!! But got damn I can't wait until S-OFF is a reality. This sucks lol but its better than having Tmobile take over ym phone with retarded apps. Thanks to all you DEV dudes who work hard for this device..
    Click to expand...
    Click to collapse

    We'll nail it eventually. It's a tough nut to crack, but at least along the way we found a temporary fix.

    We can now go back to S-ON from S-OFF, and the standard response to how to do that for the longest time was 'it's not possible'. Anything is possible with the right amount of effort invested. I am sure we'll come up with some more goodies along the way...some are brewing even now.

    I've made S-ON to S-OFF my life's work until it's done, and have mostly given up on everything else I was working on to achieve that end.

    There are a few other devs who have been spending a lot of time on this as well, and we are working together and unraveling the issue one layer at a time.

    We'll get it, but it's the toughest nut to crack - the manufacturer is doing whatever they can to prevent us from being able to do so...there is a specific effort to block us from doing it that must be overcome.

    Meantime, since we don't have a real RUU for this phone on any software version, the search for one came back with the leaked copy of the OTA as an official signed HTC package. ( To me it seemed like a consolation prize after the exhausting search for an RUU...didn't get one, but got at least this )

    I'm glad someone went ahead and made a guide for people to use it to at least get unlocked since HTC broke the OTA they actually pushed over-the-air, this package is what it was supposed to be.

    Hang in there, we'll get all you guys S-OFFed as soon as we can!
    View
    2
    tbalden
    tbalden
    xzuhto said:
    Will this method work for all of the ROMs we have here for the mt4gs? One I have been looking at is Bulletproof. If I use the same technique you've explained, will I get the same end result?
    Click to expand...
    Click to collapse

    yep, it will work!
    View

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