Develop Bugs

[Q] Unlocking bootloader

Hello, i'm live in brazil and i buyed my phone here, xperia arc, and i'm trying to unlock the bootloader, and all the time i try to do this i receive the mensage
Failed <remote: oem unlock failed>
What i can do to fix this ? Is there any possible that my phone is alredy unlockead from the store ?

Edit
I tryied this tutorial, and make all the steps, get the 0.3 version, and all that thinks
http://forum.xda-developers.com/showthread.php?p=13230108#post13230108

calage1234 said:
What i can do to fix this ? Is there any possible that my phone is alredy unlockead from the store ?
Click to expand...
Click to collapse
If it's network locked you'll have to pay to get it unlocked.

Pay for...
Hello, i need to pay for who ? Is there another way to unlock the bootloader
?

calage1234 said:
Hello, i need to pay for who ? Is there another way to unlock the bootloader
?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1232033

Thanks
Thanks experience D, but i really not want to pay anyone to make a chance on my phone, i already pay it, very expensive because on brazil the tax is too high, and i think this is dangerous.
I miss you my x10, easily to put xrecovery, various roms, including Miui and Cyanogen.....

I'm again...
I'm looking to sony ericsson's website and it says
"The only way to determine if you can unlock the boot loader for your phone is to connect your phone to the Fastboot tool in the Android™ SDK. If your phone can connect to Fastboot, the boot loader can be unlocked."
I can connect my phone to fastboot, but why i don't can unlock the bootloader ??

calage1234 said:
I can connect my phone to fastboot, but why i don't can unlock the bootloader ??
Click to expand...
Click to collapse
Then see the links in my sig.

[Q] can 12W19 be sim unlocked by ANY way?

is there ANY way that xperia arc s newer then 12w19 can be sim unlocked??
Purchasing code or..??
Can cellunlocker unlock it?

Atm no, I think.
Prince

If you're not locked to any carrier, I don't see any reason why not.
Have you tried the official Sony unlock method? Your other option is via the testpoint method.
Swyped from my SE Xperia arc (LT15i) using Tapatalk 2

xtacy! said:
If you're not locked to any carrier, I don't see any reason why not.
Have you tried the official Sony unlock method? Your other option is via the testpoint method.
Swyped from my SE Xperia arc (LT15i) using Tapatalk 2
Click to expand...
Click to collapse
My bad, I didn't wrote sim locked..
It's carrier locked, and sim-lock is there for 24 months, the problem is I bought it in another country and in my country that carrier doesn't exist..
So the question is edited, can it be sim-unlocked (bootloader is irrelevant)

Then you'll need to use the Testpoint method. Contact Jinx13 or Alejandrissimo. They should be able to unlock it for you remotely for a small fee. Or use Omnius (again Paid).
And no, there's no free method to unlock your phone. But trust me, it's worth it.
Hope that helped. Cheers!

I already did contact jinx and he told me that if it's 12w14 or newer he can't unlock it :S
I'm not looking for a free method, I'm looking for a working method...
Off topic: Is it worth upgrading to ICS?

Damn, then you may be out of luck. Do ask around though.
And upgrading to ICS. Well, I have upgraded to the Generic Global World 4.0.4 and I must say I like it. My only issue is that my touchscreen isn't AS responsive as it was on GB.
There are others who couldn't/can't stand ICS and reverted back to GB after a few days with ICS. They felt that it lagged too much compared to GB etc etc.
To each his own. But I like ICS; that's just my opinion.
Cheers!

is there ANY other way?
is there anyone that has Emma and a working account and can remove the sim lock?
Also can these pay sites unlock it?

maybe fastgsm
I was looking for the exact same thing and found that fastgsm.com can unlock it with network codes.
It seems that we cannot currently unlock this phone model with our data cable method if the manufacturing date is later than 12W13, please contact [email protected] and ask for a refund. It would be possible to unlock this phone via Network codes, if there are unlock attempts left, for $59.99.
Click to expand...
Click to collapse
Its a bit to expensive for me, so i haven't tried it. But if you do, please post back results.

Good day to everyone and sorry to revive this thread, but i didn't want to ask a question that's been asked before so while searching the forums for cellunlocker.net i found this thread.
Is there anybody out there who got their arc S(new security manufacturing date 12w26) unlocked by purchasing the code via IMEI method for 39,99$?

dont paid
reloadxero said:
Good day to everyone and sorry to revive this thread, but i didn't want to ask a question that's been asked before so while searching the forums for cellunlocker.net i found this thread.
Is there anybody out there who got their arc S(new security manufacturing date 12w26) unlocked by purchasing the code via IMEI method for 39,99$?
Click to expand...
Click to collapse
I unlocking my phone by imei code and the bootloader is locked. I paid 45 usd :crying:

anybody solved this?
imauri1990 said:
I unlocking my phone by imei code and the bootloader is locked. I paid 45 usd :crying:
Click to expand...
Click to collapse
Hi all!
Has anybody successfully bootloader unlocked the phone? I have lt18, with unlock allowed no, and 12w30 bootloader. I searched a lot, and i found that i can unlock by NCK code, then i can unlock bootloader with flashtool or SE method. Can anybody confirm this??

hi
assasss said:
is there ANY way that xperia arc s newer then 12w19 can be sim unlocked??
Purchasing code or..??
Can cellunlocker unlock it?
Click to expand...
Click to collapse
i may try to unlock it... pm me or contact me on gtalk: [email protected]

mman1982 said:
Hi all!
Has anybody successfully bootloader unlocked the phone? I have lt18, with unlock allowed no, and 12w30 bootloader. I searched a lot, and i found that i can unlock by NCK code, then i can unlock bootloader with flashtool or SE method. Can anybody confirm this??
Click to expand...
Click to collapse
There is no known solution for disabled fastboot cases yet (Bootloader unlock allowed: No), as phones manufactured after 12W11 have enchanced type of security, for which there is no exploit yet.

Someguyfromhell said:
There is no known solution for disabled fastboot cases yet (Bootloader unlock allowed: No), as phones manufactured after 12W11 have enchanced type of security, for which there is no exploit yet.
Click to expand...
Click to collapse
Thanks, so NCK code will not even work?? My service menu says i have 5tries to sim unlock.So i enter the code,simlock removed,then i can unlock bootloader. Am i wrong??

hi
i can unlock it ... pm me

mman1982 said:
Thanks, so NCK code will not even work?? My service menu says i have 5tries to sim unlock.So i enter the code,simlock removed,then i can unlock bootloader. Am i wrong??
Click to expand...
Click to collapse
It might remove the SIM-lock (I am not sure, which code you mean right now), but it will not enable fastboot and will not allow bootloader to be unlocked.
kks111 said:
i can unlock it ... pm me
Click to expand...
Click to collapse
Would you at least bother mentioning your methods for this? Considering you haven't been around on this forum for long, I doubt any of your methods actually unlocks the bootloader.

bl
Someguyfromhell said:
It might remove the SIM-lock (I am not sure, which code you mean right now), but it will not enable fastboot and will not allow bootloader to be unlocked.
Hi,
Thanks, i see there: http://www.fastgsm.com/en/sonyerics...-unlock-codes/network-unlock/flashing-debrand
Unlock codes. I read a lot, and i figured out that Bootloader Unlock Allowed: No means that fastboot disabled due to simlock..so if there's no simlock on the phone, the no changes to YES, so can unlock simply..If unlock allowed YES, then everyone successfully unlocked the bootloader in this forums. Am i wrong somewhere?
Click to expand...
Click to collapse

mman1982 said:
Hi,
Thanks, i see there: http://www.fastgsm.com/en/sonyerics...-unlock-codes/network-unlock/flashing-debrand
Unlock codes. I read a lot, and i figured out that Bootloader Unlock Allowed: No means that fastboot disabled due to simlock..so if there's no simlock on the phone, the no changes to YES, so can unlock simply..If unlock allowed YES, then everyone successfully unlocked the bootloader in this forums. Am i wrong somewhere?
Click to expand...
Click to collapse
It does remove the SIM-lock, but fastboot is still disabled. Removing the SIM-lock does not activate fastboot nor does it change Bootloader Unlock Allowed to Yes.

Hi all,
See this: http://forum.xda-developers.com/showthread.php?t=2737846

[Q] Issues unlocking bootloader Sony Xperia Arc S LT18i

Hello all,
I've got an Arc S that I've been trying to unlock the bootloader on using Sony's method, without success.
1. I have fastboot and adb installed on my machine (Linux Mint 14 32bit)
2. I've pulled the unlock code from Sony's website
3. I set my udev rules as laid out in this tutorial.
4. I have checked my bootloader to confirm that it can be unlocked (and currently is locked)
5. Fastboot is working (When I type in sudo fastboot devices, I get a hexadecimal string in response)
6. However, when I try to unlock, it always fails.
Initially, it gave me a "oem unlock failure code". After I rebooted thought, the code changed. Instead of something like this
Code:
oem unlock failed!
it gave me this
Code:
...
and did nothing. I let it sit for a few minutes and then forcibly shut down terminal, no damage done to the phone.
I'm quite confused at this point. From all my google searching I can't figure out why the booloader won't unlock. I'm pretty sure that I have the right unlock code.
A second and curious thing that may or may not be related is that the phone is rooted, but when I tried to transfer CWM via fastboot it threw an error, saying that the phone needed to be rooted first. However, it is rooted and apps such as Titanium Backup work just fine, verifying the root. Can anyone give me some direction on this?

I know there is a video on the how to unlock lt18i bootloader. It also has step by step process on fixing issues for unlocking bootloader. Lemme get.it for ya.
Sent from my LT18i using xda premium

May be a relatively simple thing. Is your phone simlocked? This may have some bearing on it.

sinkster said:
May be a relatively simple thing. Is your phone simlocked? This may have some bearing on it.
Click to expand...
Click to collapse
I don't believe that it is simlocked. I don't believe the phone was purchased through a carrier. For clarification, this is a friend's phone so I would need to ask them as to where they purchased it.

sinkster said:
May be a relatively simple thing. Is your phone simlocked? This may have some bearing on it.
Click to expand...
Click to collapse
No, it is not simlocked, else it would not show Bootloader Unlock Allowed: Yes
To OP: Write out the command you used to unlock the bootloader.

Someguyfromhell said:
No, it is not simlocked, else it would not show Bootloader Unlock Allowed: Yes
To OP: Write out the command you used to unlock the bootloader.
Click to expand...
Click to collapse
As taken from the Cyanogenmod Wiki page for Anzu devices:
Code:
fastboot -i 0x0fce oem unlock 0xKEY
where KEY was the bootloader unlock I received from Sony.

The dots indicate the software's not detecting your device. I had the same problem. Try reinstalling the drivers. If it still fails, maybe you can give the method outlined in the link below a go. It's for the relatively newer Sony devices, but maybe it'd work with the Arc. I haven't personally tried unlocking via Flashtool, but for me, the Fastboot command-based experience hasn't been all too good. I now use the Fastboot option in Flashtool, as opposed to standalone Fastboot, to flash every kernel that I use. Works like a charm each time, and what's more, it does away with the need to key in commands in the exact syntax.
http://forum.xda-developers.com/showthread.php?t=1971363

MarcSinger said:
The dots indicate the software's not detecting your device. I had the same problem. Try reinstalling the drivers. If it still fails, maybe you can give the method outlined in the link below a go. It's for the relatively newer Sony devices, but maybe it'd work with the Arc. I haven't personally tried unlocking via Flashtool, but for me, the Fastboot command-based experience hasn't been all too good. I now use the Fastboot option in Flashtool, as opposed to standalone Fastboot, to flash every kernel that I use. Works like a charm each time, and what's more, it does away with the need to key in commands in the exact syntax.
http://forum.xda-developers.com/showthread.php?t=1971363
Click to expand...
Click to collapse
I tried unlocking the bootloader via Flashtool and I got the same result of
Code:
oem unlock failed!
. So that means that something is wrong with my fastboot installation (not likely)my udev rules(possible) or for some crazy reason the phone is not reporting back correctly. A curious thing I noted is that when the phone is detected via adb it doesn't return the phone's IMEI. It does return a number, but it does not match the IMEI. Has anyone ever heard of that situation?

Guanfy said:
I tried unlocking the bootloader via Flashtool and I got the same result of
Code:
oem unlock failed!
. So that means that something is wrong with my fastboot installation (not likely)my udev rules(possible) or for some crazy reason the phone is not reporting back correctly. A curious thing I noted is that when the phone is detected via adb it doesn't return the phone's IMEI. It does return a number, but it does not match the IMEI. Has anyone ever heard of that situation?
Click to expand...
Click to collapse
I don't believe Fastboot returns the phone's IMEI. It's always looked to me like a random number that's generated to show successful connectivity between the device and the Fastboot program. But then again, I could be wrong.
Anways, despite the message you got, it's looking increasingly likely that your bootloader cannot be unlocked.
PS: You retired your SGS III, but kept your Arc? The decision really befuddles me.

MarcSinger said:
I don't believe Fastboot returns the phone's IMEI. It's always looked to me like a random number that's generated to show successful connectivity between the device and the Fastboot program. But then again, I could be wrong.
Anways, despite the message you got, it's looking increasingly likely that your bootloader cannot be unlocked.
PS: You retired your SGS III, but kept your Arc? The decision really befuddles me.
Click to expand...
Click to collapse
After much research I've found that when you get the "remote: oem unlock failed!" message it means you've enter an incorrect unlock code. Thing is, I know that I have entered the IMEI correctly on Sony's website, so I'm stumped there. I tried this setup in windows and got the same result, so I don't think it's fastboot or drivers anymore. It makes me wonder why I would be getting an incorrect unlock code...
To answer your PS, this phone belongs to a friend of my whom I'm doing a favor for. Note I don't have the Arc S in my sig. My retired SIII went to my wife, who was quite happy to have it.

Guanfy said:
After much research I've found that when you get the "remote: oem unlock failed!" message it means you've enter an incorrect unlock code. Thing is, I know that I have entered the IMEI correctly on Sony's website, so I'm stumped there. I tried this setup in windows and got the same result, so I don't think it's fastboot or drivers anymore. It makes me wonder why I would be getting an incorrect unlock code...
To answer your PS, this phone belongs to a friend of my whom I'm doing a favor for. Note I don't have the Arc S in my sig. My retired SIII went to my wife, who was quite happy to have it.
Click to expand...
Click to collapse
Are you sure that you left out the LAST number of the IMEI, when entering it on the website? You need to do that, else you get invalid code.

Someguyfromhell said:
Are you sure that you left out the LAST number of the IMEI, when entering it on the website? You need to do that, else you get invalid code.
Click to expand...
Click to collapse
Yup, that I have. I originally entered the 15 digit code and the website threw an error, so I deleted the last digit to get the unlock code that I tried.

same issue as LT26ii
Well I have exactly the same issue at my Xperia SL LT26ii, it just shows "oem unlock failed", do anyone know how to fix this ?

nkiy said:
Well I have exactly the same issue at my Xperia SL LT26ii, it just shows "oem unlock failed", do anyone know how to fix this ?
Click to expand...
Click to collapse
oem unlock failed

Problem solved!
Hey guys, I just unlocked my LT26ii after many times of "oem unlock failed". Here's my solution:
0. well first just remember your IMEI code, cause later it will changed.
1. Download a new firmware in ftf format.
2. Update firmware with Flashtool.
3. Turn on your phone and get you imei code. Now you should got a new one different from the previous one.
4. Use the NEW imei to unlock your phone.
Good Luck !
PS: dont guarantee that worked but if it does please let'me know.

[Q] Unlock Fastboot on a Network locked phone which payed method? (r800a) Wotanserver

Hi Xda I'm currently trying to find out which pay methods will enable fastboot on my currently network locked R800a.
I've seen many threads stating that if I want fastboot I'll need to pay and thats fine but I was just wondering if Wotan server is one of the methods that will work for me.
Here are some of those threads stating I can pay but none point to Wotan as a actually one (from what I can see on wotans site they can Unlock the sim network lock and as a biproduct of that unlock it also unlocks the Boot loader but it doesn't state whether it will enable fast boot on an (R800a) or any others. It seems that on any generic XP unlocking the bootloader is all that's required to enable Fastboot.
http://forum.xda-developers.com/showthread.php?t=1330058 , http://forum.xda-developers.com/showthread.php?t=2040779&highlight=enable+fastboot , http://forum.xda-developers.com/showthread.php?t=1330058 , http://forum.xda-developers.com/showthread.php?p=18138850 , http://forum.xda-developers.com/showthread.php?t=1497172&highlight=enable+fastboot , http://forum.xda-developers.com/showthread.php?t=1236892&highlight=enable+fastboot
My R800a is currently stock, network locked, unrooted, Bootloader unlock status allowed: no, and under the 12W11manufacturer date (12w09)
In the end I want my phone Network unlocked, rooted, bootloader unlocked with fastboot enabled so I can install CWM and customs roms/kernels the easy way. as opposed to having to find hard to find custom ftf kernels ( http://forum.xda-developers.com/showthread.php?t=2187172 )
Anyway if you read through all that thank you for your time and unlike some of those others I will actually post back to this thread if I get any solutions that work for me.
-Scareg

Scaregdearimasu said:
Hi Xda I'm currently trying to find out which pay methods will enable fastboot on my currently network locked R800a.
I've seen many threads stating that if I want fastboot I'll need to pay and thats fine but I was just wondering if Wotan server is one of the methods that will work for me.
Here are some of those threads stating I can pay but none point to Wotan as a actually one (from what I can see on wotans site they can Unlock the sim network lock and as a biproduct of that unlock it also unlocks the Boot loader but it doesn't state whether it will enable fast boot on an (R800a) or any others. It seems that on any generic XP unlocking the bootloader is all that's required to enable Fastboot.
http://forum.xda-developers.com/showthread.php?t=1330058 , http://forum.xda-developers.com/showthread.php?t=2040779&highlight=enable+fastboot , http://forum.xda-developers.com/showthread.php?t=1330058 , http://forum.xda-developers.com/showthread.php?p=18138850 , http://forum.xda-developers.com/showthread.php?t=1497172&highlight=enable+fastboot , http://forum.xda-developers.com/showthread.php?t=1236892&highlight=enable+fastboot
My R800a is currently stock, network locked, unrooted, Bootloader unlock status allowed: no, and under the 12W11manufacturer date (12w09)
In the end I want my phone Network unlocked, rooted, bootloader unlocked with fastboot enabled so I can install CWM and customs roms/kernels the easy way. as opposed to having to find hard to find custom ftf kernels ( http://forum.xda-developers.com/showthread.php?t=2187172 )
Anyway if you read through all that thank you for your time and unlike some of those others I will actually post back to this thread if I get any solutions that work for me.
-Scareg
Click to expand...
Click to collapse
THANK GOD
for this post, I was waiting from a response from the guy who does the BL unlocks and it's been a few days with no response
I used wontanserver and it was a breeze, paid $10 US and thats it. Go for it

JaY iZz BaKk said:
THANK GOD
for this post, I was waiting from a response from the guy who does the BL unlocks and it's been a few days with no response
I used wontanserver and it was a breeze, paid $10 US and thats it. Go for it
Click to expand...
Click to collapse
Awesome but just to double check you have a Sim locked Telephone company branded phone that was network locked that had it's bootloader status as Bootloader Unlock Status: No and after using Wotan server you were able to go into fastboot mode?
Could you let me know what your phone model is?
if so awesome I hope to do it tonight it's just that Unlock bootloader (can't post website) guy (some Xda member) promises to unlock fastboot
but Wotan doesn't. I emailed wotan yesterday but they're repsonse wasn't particulary helpful (I was asking a lot of other things too so maybe that's why they missed that one.) I'll post their responses here when I get the next one.
Anyway thanks for the response and glad my post helped.

hmm good call im not sure if it enables fastboot....but It does say bootloader unlocked
---------- Post added at 09:24 AM ---------- Previous post was at 09:23 AM ----------
I have an unbranded R800i

JaY iZz BaKk said:
hmm good call im not sure if it enables fastboot....but It does say bootloader unlocked
---------- Post added at 09:24 AM ---------- Previous post was at 09:23 AM ----------
I have an unbranded R800i
Click to expand...
Click to collapse
Well bummer wotan should probs reply tomorrow so I'll post their response here.

Scaregdearimasu said:
Well bummer wotan should probs reply tomorrow so I'll post their response here.
Click to expand...
Click to collapse
Heres are my messages with wotan server and their responses.
"Hi Wotanserver,
I have an R800a and after digging through countless XDA posts I was unable
to confirm whether Wotan server would work for me.
I have an R800a
Unrooted, Bootloader still locked, and Sim network locked.
Rooting Status:
Bootloader Unlock allowed: No (not to sure if this is super important or
not)
Manufacturer date 12W09 (manufactured before 12W11)
Locked to telstra (australia)
I would like to unlock the bootloader so I can run custom roms. I would
also like to Unlock the Sim network lock so I can use it off telstra. And i
would like to be able to use fastboot mode on my phone so i can install
custom roms through that method.
Is it possible to do all of this after using your "Network Unlocking Sony
Ericsson Xperia PLAY by USB" package?
If not what can I get done?
After this is done will I still need to run the official sony bootload
unlocker or not?
and when I end up purchasing this am I doing this by myself or is there
some one assisting me through vnc server like some other services I've seen?
Can't wait to hear from you
-ScaregDearimasu "
Wotan Server; said:
Hello,
Your phone should be compatible with our service.
The unlocking service unlocks the network and the bootloader.
Official updates are disabled after unlock.
You just need to install and run X_Unlock_Tool_Setup_Wotan.exe
There's a detailed video guide included directly in the unlocking tool.
Kind regards,
Tomas
WotanServer
Click to expand...
Click to collapse
" Hi Tomas,
but will it enable Fastboot mode on my phone through your method? seems
like it's difficult to unlock fastboot on the (branded phones with unlock
mode allowed: no ) r800a
Hope to hear back from you soon so I can use your tool.
-Scaregdearimasu "
WotanServer; said:
Hello,
Yes, when the bootloader is unlocked, the Fastboot is enabled.
Kind regards,
Tomas
WotanServer
Click to expand...
Click to collapse
Well cool guess I'll give it a go then. Will post back with results.

now that I think about it I did flash a recovery via fastboot yesterday so yes It does unlock that too LOL

JaY iZz BaKk said:
now that I think about it I did flash a recovery via fastboot yesterday so yes It does unlock that too LOL
Click to expand...
Click to collapse
Just used wotanserver and Success!
No longer Network locked
Device can go into Fastboot (blue led when plugging usb and holding Search button)
Device can go into Flash mode Green led (hold Back button plug in usb)
Rooting Status BootLoader Unlock allowed: Yes
Awesome
so glad that worked now to read tons more Xda threads for find good kernel and rom combos for the R800a. Working on the XP is much more complicated then the standard Cm9 install for touchpad! whew...

Unlocking Bootloader?

Hey,
I have a rooted stock Xperia Play R800x, but when I try to unlock the bootloader I get this error:
Code:
(bootloader) Unlock phone requested
FAILED (remote: oem unlock failed!)
finished. total time: 0.016s
Is there any way to fix this?

6Slipknot6 said:
Hey,
I have a rooted stock Xperia Play R800x, but when I try to unlock the bootloader I get this error:
Code:
(bootloader) Unlock phone requested
FAILED (remote: oem unlock failed!)
finished. total time: 0.016s
Is there any way to fix this?
Click to expand...
Click to collapse
When I unlocked my bootloader about a year ago.... I used the Official Sony Bootloader Unlock method and it worked for me. If you haven't found it already, then you can find it here ( http://developer.sonymobile.com/unlockbootloader/ ). Some people also say that they used Flashtool to unlock the bootloader, so you might give that a try if you'd prefer that to the official Sony method.
I saved the bootloader unlock instructions that I used last year from the Sony website, and there was one important step to pay close attention to-- When going through the steps to request the unlock key from Sony, it said - "Enter your name, a valid email address and the first 14 digits of your device’s IMEI or MEID or IDID number (remove the last digit if necessary). Click submit." It was important to only enter the 1st 14 characters of the IMEI when submitting for the unlock key... Also, I read in some other XDA posts that you need to make sure that you use all CAPS on any letters that might be in the IMEI code...as it apparently can cause you to get a bad unlock code if you don't use all CAPS. After you submit this to Sony, they will email you the unlock key.
The last step of the Official Sony Method says: "... If you still want to unlock the bootloader of your device, enter the command *fastboot.exe -i 0x0fce oem unlock 0xKEY, where KEY is the unlock bootloader key that you got in the beginning of this instruction. The bootloader should now be successfully unlocked." Make sure you are copying the fastboot commands exactly... including the lower case x that comes right before your unlock key.
You may want to try to go through the steps again with the Sony Website to see if you get a different unlock key by trying the above tips. Then try to use the Official Sony method to unlock the bootloader, or try Flashtool to see if that will work.

mattnmag said:
When I unlocked my bootloader about a year ago.... I used the Official Sony Bootloader Unlock method and it worked for me. If you haven't found it already, then you can find it here ( http://developer.sonymobile.com/unlockbootloader/ ). Some people also say that they used Flashtool to unlock the bootloader, so you might give that a try if you'd prefer that to the official Sony method.
I saved the bootloader unlock instructions that I used last year from the Sony website, and there was one important step to pay close attention to-- When going through the steps to request the unlock key from Sony, it said - "Enter your name, a valid email address and the first 14 digits of your device’s IMEI or MEID or IDID number (remove the last digit if necessary). Click submit." It was important to only enter the 1st 14 characters of the IMEI when submitting for the unlock key... Also, I read in some other XDA posts that you need to make sure that you use all CAPS on any letters that might be in the IMEI code...as it apparently can cause you to get a bad unlock code if you don't use all CAPS. After you submit this to Sony, they will email you the unlock key.
The last step of the Official Sony Method says: "... If you still want to unlock the bootloader of your device, enter the command *fastboot.exe -i 0x0fce oem unlock 0xKEY, where KEY is the unlock bootloader key that you got in the beginning of this instruction. The bootloader should now be successfully unlocked." Make sure you are copying the fastboot commands exactly... including the lower case x that comes right before your unlock key.
You may want to try to go through the steps again with the Sony Website to see if you get a different unlock key by trying the above tips. Then try to use the Official Sony method to unlock the bootloader, or try Flashtool to see if that will work.
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Thanks for replying. I've already tried the official Sony instructions twice, and the Flashtool method once. That led to the error. Is there still a way to fix this?

6Slipknot6 said:
Thanks for replying. I've already tried the official Sony instructions twice, and the Flashtool method once. That led to the error. Is there still a way to fix this?
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From the research I did, these were the most common reasons I could find for the error you're getting. The ideas I shared are all I've got. Maybe someone else will have some other suggestions. Good luck.

6Slipknot6 said:
Thanks for replying. I've already tried the official Sony instructions twice, and the Flashtool method once. That led to the error. Is there still a way to fix this?
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Did you try s1 unlock yet?
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