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***Xperia Miro (Mesona) - ST23i/a Official Firmware Files***

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By Option58, Senior Member on 17th November 2012, 06:59 PM
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***Xperia Miro (Mesona) - ST23i/a Official Firmware Files***




So, these are official Sony's firmware files for Xperia Miro. This is Sony's factory rom. These can be useful to unbrick your phone, return to stock, cook roms, update firmware, debrand your phone...and so on
These firmwares are generic. That means they are global - international - anyone from any country could flash them

Please remember that there is small chance of bricking your device - Flashing your mobile phone is fully on your own risk and I do not take responsibility for anything happened!



Quote:

FAQ

- Are these rooted? - No and these are not modded at all I haven't touched a thing (Sony original).
- Can I flash this on another phone that is similar to Miro? - No!
- Can I flash this on SIM-Locked phone. - Yes.
- Can I flash this on both Locked/Unlocked bootloaders. - Yes.
- Will this change bootloader or SIM Lock status. - No.



Quote:

How to install firmware

- Do not plug your phone to computer and charge it to 100%!
- Go to settings and enable USB Debugging and Unknown Sources.

1. Download ftf from post above depending on model.
2. Install latest Sony PC Companion (needed for drivers).
3. Install latest Flashtool.
4. Go to (C://flashtool/drivers) and install driver file.
5. Copy ftf to (C://flashtool/firmwares).
6. Open Flashtool.
7. Click on big lightning button.
8. Choose flashmode.
9. Choose correct ftf (left side), do not touch anything else and click ok.
10. Wait.
11. Image will show up on your computer - Turn off your phone.
12. Plug it in USB while holding vol- button (hold vol- until blue LED light blinks).
13. Wait.
14. When flashing finished text appears unplug your phone and turn it on.
- It may take a while to turn on (Don't panic).




Android 4.0.4 - Ice Cream Sandwich

Differences between ST23a and ST23i are different 3G frequencies. ST23a are phones usually bought in American Continent (I think north of America).
And ST23i is usually bought in Europe and other parts of the world. It is reported that if you flash one version on another everything will work.

EDIT: I stopped supporting this thread and deleted all Xperia Miro files from my HDD. I uploaded all files here one last time if they are useful to someone.



ST23i

Firmware files

ROOT and Clockworkmod





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17th November 2012, 07:07 PM |#2  
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Extras:

Quote:

How gain superuser access (How to root your phone)

- Works for both bootloaders.
- Enable USB Debugging and Unknown sources.
- Must have PC Companion installed for drivers (if does not work try with C://flashtool/drivers).

1. You must be on 11.0.A.2.10 firmware.
2. Download ROOT for 11.0.A.2.10
- 1 Plug your phone
- 2 Open it
- 3 Choose Option 1
3. Download ROOT 2.10 to 5.5. (If you did not unlock your bootloader then simply accept OTA update).
4. Install Clockworkmod for 5.5.

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17th November 2012, 08:22 PM |#3  
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To late, i already updated it with pc companion :/
18th November 2012, 02:45 PM |#4  
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i'm sorry i don't have new ftf xxx5.5
this is old ftf

http://www.multiupload.nl/89GUQ6ZHUD

B'coz i'm so dissapointed for the new firmware xxx5.5 it can't be root my device
All the way i try but it's still same

Sent from my ST23i using xda premium
18th November 2012, 02:54 PM |#5  
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Quote:
Originally Posted by refly

i'm sorry i don't have new ftf xxx5.5
this is old ftf

http://www.multiupload.nl/89GUQ6ZHUD

B'coz i'm so dissapointed for the new firmware xxx5.5 it can't be root my device
All the way i try but it's still same

Sent from my ST23i using xda premium

Custom roms will include root.
Also when cwm will be avalaible (with CM10?) we may could install root via cwm
18th November 2012, 04:03 PM |#6  
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Quote:
Originally Posted by refly

i'm sorry i don't have new ftf xxx5.5
this is old ftf

http://www.multiupload.nl/89GUQ6ZHUD

B'coz i'm so dissapointed for the new firmware xxx5.5 it can't be root my device
All the way i try but it's still same

Sent from my ST23i using xda premium


Well try to install older firmware with flash tool and then root...What version is your .ftf 11.0.A.?.?

Sent from my ST23i using xda app-developers app
19th November 2012, 05:35 AM |#7  
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My firmware 11.0.A.2.10
Sound is great flashing rom include rooted device, can't wait to try

I hope soon :thumbup:



Sent from my SK17i using xda premium
21st November 2012, 07:22 AM |#8  
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11.0.A.5.5 update is great, many improved to the device, camera more improved, 3d render gain more fps in games,

I already update pc companion to the latest firmware, how to retrieve ftf file from.pc companion?

Sent from my ST23i using xda app-developers app
22nd November 2012, 10:28 PM |#9  
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OK guys, I made 11.0.A.5.5 firmware...uploading it on XDA
23rd November 2012, 02:59 PM |#10  
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11.0.A.5.5 Firmware added to my post
23rd November 2012, 09:15 PM |#11  
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what s the difference that new firmware brings to our phone?
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