[Q] How to root Alcatel OT 918 (Android 2.3.6)

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remigereau

Member
May 28, 2012
10
3
Hello, I have this phone Alcatel OT 918 (without N or D) with android 2.3.6, i don't find nothing in the forums for the root method, I try superoneclick 2.3.3, unlockroot23 and the OT 918D method, and nothing. I can't root it. Somebody can help me? Thank you.
 
bluerain28

bluerain28

Senior Member
May 26, 2012
604
124
Tagbilaran
remigereau said:
Hello, I have this phone Alcatel OT 918 (without N or D) with android 2.3.6, i don't find nothing in the forums for the root method, I try superoneclick 2.3.3, unlockroot23 and the OT 918D method, and nothing. I can't root it. Somebody can help me? Thank you.
Click to expand...
Click to collapse

There is someone who already did root the latest Alcatel 918 with the Android v2.3.6. But sadly he won't share it to anybody. I'm still finding the way to root it via adb. And that's what he did by using adb stuffs.
 
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noxxious

noxxious

Senior Member
Jan 9, 2010
249
72
2.3.6 and Rooted...

:)

just want to share, i successfully rooted my OT-918N from SunCellular PH with Android 2.3.6 using the following scatter.txt and recovery.img file.

the procedure i followed was this tutorial by bluerain28 [TUT]Alcatel StockRom for 918D/M/N.

another thing is i set the flashtool to USB Mode instead of scanning to com ports... hope you get the same results as i did.

thanks bluerain28 for the great tutorial.. :)
 

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bluerain28

bluerain28

Senior Member
May 26, 2012
604
124
Tagbilaran
noxxious said:
:)

just want to share, i successfully rooted my OT-918N from SunCellular PH with Android 2.3.6 using the following scatter.txt and recovery.img file.

the procedure i followed was this tutorial by bluerain28 [TUT]Alcatel StockRom for 918D/M/N.

another thing is i set the flashtool to USB Mode instead of scanning to com ports... hope you get the same results as i did.

thanks bluerain28 for the great tutorial.. :)
Click to expand...
Click to collapse

Thank you sir for the new scatter text file. That's a very big help. :)
 
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Baracuda86

New member
Sep 6, 2010
3
0
I have an Alcatel OT 918 (not N/D or anything else) running under v 2.3.6.
I tried the easy solutions (SuperOneClick & UnlockRoot) but as expected nothing worked.
I'd like to use the method proposed above, but as my phone is a 918 and not 918N, will the files in the links work, or will I simply brick my phone?

Thanks
 
M

mr.exodia

Member
Jun 8, 2012
42
37
Baracuda86 said:
I have an Alcatel OT 918 (not N/D or anything else) running under v 2.3.6.
I tried the easy solutions (SuperOneClick & UnlockRoot) but as expected nothing worked.
I'd like to use the method proposed above, but as my phone is a 918 and not 918N, will the files in the links work, or will I simply brick my phone?

Thanks
Click to expand...
Click to collapse

I bricked my OT-918 Android v2.3.6 when I tried alternative methods...

I guess it's waiting untill another exploit comes

EDIT:

I downloaded the scatter file from noxxious' attachment but because I bricked a phone already I decided to look up what those files actually are.

Microsoft says:
The ARM development tools use scatter files to describe load regions, each of which might contain one or more execution regions
Click to expand...
Click to collapse

Also saying: Wrong scatter file would mean wrong memory is overwritten which will obviously lead to a brick (eg, phone tries to find OS, but because OS is not written in the correct place it cannot load it. Exactly what happened to my phone)

After some searching I discovered that you can easily retrieve the memory regions with ADB.

commandline:
Code: 
adb wait-for-device
adb shell "cat proc/*" > device_info.txt

This will give you a nice text file with much information about your device...

Interesting part is this:
Code: 
dev:    size   erasesize  name
mtd0: 00040000 00020000 "preloader"
mtd1: 000c0000 00020000 "dsp_bl"
mtd2: 00080000 00020000 "pro_info"
mtd3: 00300000 00020000 "nvram"
mtd4: 00020000 00020000 "seccnfg"
mtd5: 00060000 00020000 "uboot"
mtd6: 00600000 00020000 "boot"
mtd7: 00600000 00020000 "recovery" <- Seems like we need this region
mtd8: 00120000 00020000 "secstatic"
mtd9: 00060000 00020000 "misc"
mtd10: 00300000 00020000 "logo"
mtd11: 000a0000 00020000 "expdb"
mtd12: 07300000 00020000 "system"
mtd13: 09100000 00020000 "custpack"
mtd14: 03c00000 00020000 "cache"
mtd15: 09fa0000 00020000 "userdata"

If you think logically (and know a little about hexadecimal stuff) there is no space between the regions...

Meaning we can calculate the addresses of all memory pages. For example (we start at 0x0)
PRELOADER = 0x0 (with size 0x00040000) out of this follows that the next region should be at 0x0+0x00040000 = 0x00040000
meaning:
DSP_BL = 0x40000 (size = 0xC0000)
following that PRO_INFO should be located at 0x40000+0xC0000=0x100000

I'm just posting a little of my research... Maybe someone with more experience knows if I can use the same scatter file as noxxious attached...

@others with an OT-918/918N/D/M: Please also try to retrieve the memory regions so we can compare... Maybe those regions are dynamic. I don't know any android developing
 
Last edited:
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mr.exodia

Member
Jun 8, 2012
42
37
Sorry for bumping, but editing the old post failed on android. App doesnt seem to support it either.

Anyways, I calculated the offsets for my device and they match the new scatter file almost perfectly...

The older file, which I used to brick my previous phone did not match!

Please see attached file for more info...

Greetings

Sent from my ALCATEL ONE TOUCH 918 using XDA
 

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mr.exodia

Member
Jun 8, 2012
42
37
YoursTruly98 said:
I found this video on Youtube, I hope it helps.

http://www.youtube.com/watch?v=RRdgPgI8cbc
Click to expand...
Click to collapse

It's actually outdated...

/xdaforums.com/showthread.php?t=747598 <- 2010 post...

Thanks anyways.

I attached the full pack that enables you to root your Alcatel OT-918 Gingerbread v2.3.6

rootp.png


Greetings
 

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Ricky074

Member
Jun 11, 2012
16
2
error 8100

Hello mr.exodia

I've the ot918 (without N or D). My relase is 2.3.6 (6573)
Your tuto doesn't work on my phone.
I've download your files.

After 15 second, I have the following error at step 8 :
SP FLASH TOOL ERROR :(8100)
Can not find USB port !

I have somme questions :
The phone sould be on or off when I plugg the cable ?
If it is on, the phone ask me to mount the drive. What should I do ?

May be I don't have the good drivers.
Could you help me please...

Ricky
 
M

mr.exodia

Member
Jun 8, 2012
42
37
Good question

Ricky074 said:
Hello mr.exodia

I've the ot918 (without N or D). My relase is 2.3.6 (6573)
Your tuto doesn't work on my phone.
I've download your files.

After 15 second, I have the following error at step 8 :
SP FLASH TOOL ERROR :(8100)
Can not find USB port !

I have somme questions :
The phone sould be on or off when I plugg the cable ?
If it is on, the phone ask me to mount the drive. What should I do ?

May be I don't have the good drivers.
Could you help me please...

Ricky
Click to expand...
Click to collapse

Hmm,

I think you don't actually have the drivers... I first downloaded the One Touch Upgrade (/alcatelonetouch.com/nl/downloads/otu/one-touch-upgrade-s-1-7-9-setup.exe)

And I think drivers are installed automatically. (I attached the usb_driver directory, direct copy from that tool)

And your phone must be turned off. Just wait until it's fully powered-off and then plugin USB cable. You should get a "Install Driver?" popup... (If you haven't installed a driver already)

Long story short:
- Install Drivers (Download Tool or use attached file)
- Turn off phone
- Plug in to make sure windows 'knows' the device
- Unplug your phone
- Follow steps of flashing custom recovery
 

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    mr.exodia
    YoursTruly98 said:
    I found this video on Youtube, I hope it helps.

    http://www.youtube.com/watch?v=RRdgPgI8cbc
    Click to expand...
    Click to collapse

    It's actually outdated...

    /xdaforums.com/showthread.php?t=747598 <- 2010 post...

    Thanks anyways.

    I attached the full pack that enables you to root your Alcatel OT-918 Gingerbread v2.3.6

    rootp.png


    Greetings
    View
    5
    noxxious
    noxxious
    2.3.6 and Rooted...

    :)

    just want to share, i successfully rooted my OT-918N from SunCellular PH with Android 2.3.6 using the following scatter.txt and recovery.img file.

    the procedure i followed was this tutorial by bluerain28 [TUT]Alcatel StockRom for 918D/M/N.

    another thing is i set the flashtool to USB Mode instead of scanning to com ports... hope you get the same results as i did.

    thanks bluerain28 for the great tutorial.. :)
    View
    2
    R
    Ricky074
    ok !

    dear mr.exodia

    I've installed your driver and it works perfectly !
    My phone is root now !

    Thanks a lot...
    Ricky
    View
    1
    bluerain28
    bluerain28
    remigereau said:
    Hello, I have this phone Alcatel OT 918 (without N or D) with android 2.3.6, i don't find nothing in the forums for the root method, I try superoneclick 2.3.3, unlockroot23 and the OT 918D method, and nothing. I can't root it. Somebody can help me? Thank you.
    Click to expand...
    Click to collapse

    There is someone who already did root the latest Alcatel 918 with the Android v2.3.6. But sadly he won't share it to anybody. I'm still finding the way to root it via adb. And that's what he did by using adb stuffs.
    View
    1
    M
    mr.exodia
    Skeletor03 said:
    hi Problem for Root Alcatel OT-918. I went to root on my mobile with SP Flash the All, and which were not. post somewhere in the program He wrote format, stepped on it to see what happens. and just finished my phone does not open at all.......plzzzzzzzzzz help meeee
    Click to expand...
    Click to collapse

    If you indeed whiped you whole phone, it will not possible to recover. You can look for some stock rom sites though. If your phone is new, you cpuld return it to the store and say it doesnt load anymore. Worked in my case :)
    View

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