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[Q] Xperia Sola - Can't restore to stock ROM

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NelizMastr
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Default [Q] Xperia Sola - Can't restore to stock ROM

Good evening lads and lasses,

I've encountered a rather unusual issue. I am currently running CM11 4.4.2 by Munjeni on my Sola, but that's not the main focus of my problem.

Here's the story:

My girlfriend's brother needed a phone ASAP, just for a few days. I was using an iPhone at the time (yes, I know), so I was like, sure, he could have it for the time being. When I got it back, I noticed PC Companion was unable to detect any supported firmware on the phone, and could not restore or update anything (I was on the .10 ROM at the time, with .54 available). Flashtool has given me the following error ever since:

Error in processHeader: 1 : Incorrect Function

(On pretty much all versions of FlashTool, since 9.8.0)

I've verified that all of the correct drivers have been installed, and flashing kernels with fastboot still works fine. I can't flash the original ICS or GB ROMs though, and I'm stumped. I love CM, but if I buy an other phone, I want to either restore and sell this one, or restore it for use as a 2nd phone when that happens.

So, any ideas on how to proceed? It seems flashtool is out of the question to get these FTFs back on my Sola.


Extra info:
Tested on Windows 7 x64 and Windows Server 2008R2
 
ChikeD
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Could be the firmware file is corrupted, try to verify with 7-Zip or other compression utility.

If you have used PC Companion with your phone before you can start repair, that will load the files and does not require the phone to be connected at all.
Once download is complete, and PCC ask you to connect in flash mode, stop it and build FTF with flashtool.
http://mytechencounters.wordpress.co...-ics-firmware/
http://forum.xda-developers.com/show....php?t=2188129
 
NelizMastr
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Quote:
Originally Posted by ChikeD View Post
Could be the firmware file is corrupted, try to verify with 7-Zip or other compression utility.

If you have used PC Companion with your phone before you can start repair, that will load the files and does not require the phone to be connected at all.
Once download is complete, and PCC ask you to connect in flash mode, stop it and build FTF with flashtool.
http://mytechencounters.wordpress.co...-ics-firmware/
http://forum.xda-developers.com/show....php?t=2188129
Thank you for your reply.

I will try those proceduree as soon as possible, and I will report my findings.
 
NelizMastr
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(Last edited by NelizMastr; 10th February 2014 at 07:00 PM.)
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Quote:
Originally Posted by NelizMastr View Post
Thank you for your reply.

I will try those proceduree as soon as possible, and I will report my findings.
Reporting back:

I have been unable to restore my phone with the PC Companion. After some research, it has become clear that I can't restore using PCC, since my bootloader is unlocked, which isn't relockable at this point. Are there other ways to restore the phone without any existing backups? I haven't gotten around to backup the phone before it was ruined in this particular way.

The firmware files are solid, by the way.

I'd like to point this out:

Flashtool is out of the question, and so is PCC. Both programs refuse to flash this phone. Internal flashing with CWM works perfectly.
 
ChikeD
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(Last edited by ChikeD; 10th February 2014 at 07:05 PM.)
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Quote:
Originally Posted by NelizMastr View Post
Reporting back:

I have been unable to restore my phone with the PC Companion. After some research, it has become clear that I can't restore using PCC, since my bootloader is unlocked, which isn't relockable at this point. Are there other ways to restore the phone without any existing backups? I haven't gotten around to backup the phone before it was ruined in this particular way.

The firmware files are solid, by the way.

I'd like to point this out:

Flashtool is out of the question, and so is PCC. Both programs refuse to flash this phone. Internal flashing with CWM works perfectly.
Where in my post have I said restore with PCC?
Read what I wrote carefully, follow those steps to build your own FTF to flash with flashtool.
As I've said, it is only valid if you have used the phone with PCC before and it does not neet it to be connected to repair it.

EDIT: BTW which file fails the flash with flashtool?
 
NelizMastr
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(Last edited by NelizMastr; 10th February 2014 at 08:30 PM.)
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Quote:
Originally Posted by ChikeD View Post
Where in my post have I said restore with PCC?
Read what I wrote carefully, follow those steps to build your own FTF to flash with flashtool.
As I've said, it is only valid if you have used the phone with PCC before and it does not neet it to be connected to repair it.

EDIT: BTW which file fails the flash with flashtool?
How is making an FTF from my current firmware going to help me? I don't want a backup of my current firmware, since I'm on Cyanogenmod.

I'll dig into it deeper, to see if I missed something, then.

Any FTF I try to flash fails with the error mentioned before:

Error in processHeader: 1 : Incorrect Function

I have been unable to bypass this error, thus have I been unable to restore using FTF files.

EDIT:
My phone can't do the things mentioned in the links for the following reasons:

I can't back up using PCC because I'm not on Sony firmware (I can't flash that, that's why this topic exists), so I can't make am FTF based on that.
I can't make my own FTF because it requires a locked bootloader. Mine is unlocked and can't be relocked currently, as far as I'm aware, which is an important requirement for that guide.

Hopefully you understand which problems I'm facing. I'm 99% stuck now, since neither PCC nor Flashtool appear to be working for me. The Sony Update Service doesn't support the Xperia Sola so that's a no too.
 
ChikeD
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Have you flashed with flashtool with the PC you are using now and the same OS?

Open flashtool, connect phone in flash mode, see if it stays connected for about 45 seconds.
 
NelizMastr
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Quote:
Originally Posted by ChikeD View Post
Have you flashed with flashtool with the PC you are using now and the same OS?

Open flashtool, connect phone in flash mode, see if it stays connected for about 45 seconds.
Sorry for the late reply. I've been rather busy this week,

It does stay in flash mode for 45 seconds, yes. The PC in question is the same as when I performed the first attempt back in the day (this occured a few months ago), not the same OS though. However, I have tested this on my laptop with Windows 7, as well as my desktop with Server 2008R2, but both yield the same results.

Any thoughts? Should I try that dinosaur called Winblows XP? Or would you suggest something else?

Thanks in advance.
 
ChikeD
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Quote:
Originally Posted by NelizMastr View Post
Sorry for the late reply. I've been rather busy this week,

It does stay in flash mode for 45 seconds, yes. The PC in question is the same as when I performed the first attempt back in the day (this occured a few months ago), not the same OS though. However, I have tested this on my laptop with Windows 7, as well as my desktop with Server 2008R2, but both yield the same results.

Any thoughts? Should I try that dinosaur called Winblows XP? Or would you suggest something else?

Thanks in advance.
So it seems there no problem with flash mode drivers.
Now open PCC, click start under support zone. click start under update phone/tablet software, click repair, continue untill if finish downloading files, exit, build FTF as described in one of the links, your files are ready, start from there.
 
NelizMastr
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Quote:
Originally Posted by ChikeD View Post
So it seems there no problem with flash mode drivers.
Now open PCC, click start under support zone. click start under update phone/tablet software, click repair, continue untill if finish downloading files, exit, build FTF as described in one of the links, your files are ready, start from there.
I can't update/restore with PCC. It gives me an error that there is no software available, so it won't even bother to download files to create an FTF from. In order to use PCC, I need to have stock or stock based firmware on the phone. As soon as I attempt to flash a stock kernel + stock ROM using fastboot.exe on my pc, and CWM on the phone itself, I end up with a bricked device.

I'll try this once more once I get the chance, later today, to see if I can dig up some other results.

I suppose this is a tough one you don't see very often, here on XDA

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