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[Q] Where are OTAs downloaded in the phone?

OP BarajaVLC

4th September 2014, 12:06 PM   |  #1  
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Yesterday I received an OTA from the Update center but as I am rooted and with custom recovery, I can't apply it.

Does anyone know where I can find the downloaded OTA file in my phone?

It's a 4.4 MB OTA for 10.5.A.0.230, and I have downloaded it on my phone but not applied as it gives me error everytime because it restarts on TeamWin recovery.

My ROM is this one:

Stock Nordic 4.4.2 10.5.A.0.230 Aroma for CWM + kernel
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Last edited by BarajaVLC; 4th September 2014 at 12:08 PM.
4th September 2014, 03:31 PM   |  #2  
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check using PC software. it may get installed
4th September 2014, 05:56 PM   |  #3  
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For me this is what I did, cause I used the stock rom and updated.

If your bootloader is unlocked you have to lock it first. Only Stock kernels do the updating work or else it will just skip through the boot process.
But I don't know about Teamwinrecovery so you have to try it and see.

Don't lock bootloader with the modified recovery installed Might brick your device
4th September 2014, 09:23 PM   |  #4  
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Thanks for the answers, but my bootloader is locked and kernel is stock.

I just need to know where the OTA is downloaded in my phone, so I may access it directly and check what it's included.

Sent from my C5503 using XDA Premium 4 mobile app
5th September 2014, 09:27 AM   |  #5  
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Same..;
I have exactly the same rom and got the same update yesterday.
Also not able to install.

I don't want to update with pc companion as I think i might loose root?
8th September 2014, 06:27 AM   |  #6  
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Quote:
Originally Posted by BarajaVLC

Does anyone know where I can find the downloaded OTA file in my phone?

The OTA update file is stored in /cache (need root to access), but it is not a .zip file like used by many other manufacturers Sony uses a proprietary .pkg format for OTA updates, and currently there is no known way to unpack such files manually. Therefore the *.pkg file is useless for you, and the only way to update a phone with modified system files or unlocked bootloader is by using a PC.

Or, if you are already on 10.5.A.0.230, you may just ignore this update for now it just adds the Google Music app, removes the Adobe Reader app (but it won't be removed if updating without wiping user data), and adds APN settings for more operators (which you probably don't need if mobile data already works for you).

Quote:
Originally Posted by kurtfimmers

I don't want to update with pc companion as I think i might loose root?

Yes, you will lose root (and any other system modifications you had), but Easy Root Tool should work with the 10.5.A.0.230 stock ROM even after the update.
9th September 2014, 10:08 PM   |  #7  
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Quote:
Originally Posted by sigprof

The OTA update file is stored in /cache (need root to access), but it is not a .zip file like used by many other manufacturers — Sony uses a proprietary .pkg format for OTA updates, and currently there is no known way to unpack such files manually. Therefore the *.pkg file is useless for you, and the only way to update a phone with modified system files or unlocked bootloader is by using a PC.

Thanks for all the help but there is nothing in the /cache/ folder that may be the OTA update.

I see three folders inside /cache

/backup
/lost+found
/recovery

Backup and lost+found are empty and inside /recovery

/recovery/fota/tmp/a/
/recovery/last_log

Everything is empty Anyways, I'll wait for the new 4.4.4 OTA
10th September 2014, 03:01 AM   |  #8  
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You really solved the problem?
Quote:
Originally Posted by BarajaVLC

Thanks for all the help but there is nothing in the /cache/ folder that may be the OTA update.

I see three folders inside /cache

/backup
/lost+found
/recovery

Backup and lost+found are empty and inside /recovery

/recovery/fota/tmp/a/
/recovery/last_log

Everything is empty Anyways, I'll wait for the new 4.4.4 OTA

If you can't make OTA work, even the 4.4.4 OTA will fail. I am not so versed in English, so I will say it in Layman terms.
You mentioned that you are rooted and installed custom recovery on 10.5.A.0.230, this means that your kernel is modified to allow for custom recovery.
The easy way to do it is to flash any FTF and rerun the entire update process anew. Make sure that you have 100% lost root and custom recovery.
The SUS(now PCC) actually downloads update in 5 chunks, and apply them. Flashtool join these chunks to a complete FTF file. This solution, however, means you have to have access to a computer that at least runs EXE programs. There is no way to do it on your mobile.

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