How to Easily Master Format SONY XPERIA MIRO (ST23i/ST23a) with Safe Hard Reset?

We are now talking about SONY XPERIA MIRO (ST23i/ST23a) tips and tricks when we get problem with it. SONY XPERIA MIRO (ST23i/ST23a) is and Android smartphone with 3.5 inches LCD screen, Sony always try to give strong glass layer with using Scratch-resistant glass for SONY XPERIA MIRO (ST23i/ST23a). Camera is one of the good thing at SONY XPERIA MIRO (ST23i/ST23a) because it have 5 megapixel main camera to take good pictures.

Main Advantage of SONY XPERIA MIRO (ST23i/ST23a) Specifications:

3.5 inches LCD Screen
Scratch-resistant glass
Internal Memory 4 GB
RAM 512 MB
External Memory MicroSD up to 32GB
Main Camera 5 MP, 2592 x 1944 pixels, autofocus, LED flash
Front Camera VGA
Processor 800 MHz Cortex-A5
GPU Adreno 200
Operating System Android OS, v4.0 (Ice Cream Sandwich)
Battery Li-Ion 1500 mAh

How to Fix Problem and Recovery if SONY XPERIA MIRO (ST23i/ST23a) get hang or not responding or malfunctions or hang or stuck or freezing or bricked ?

SONY XPERIA MIRO (ST23i/ST23a) have average specifications for daily usage, we are not recommended to install a lot off applications in this smartphone. Some applications at Google Playstore is not compatible with SONY XPERIA MIRO (ST23i/ST23a), some developer also not code well for their applications which sometime can make our smartphone become hang or stuck or frozen or bricks or not responsive. In this case we can try to soft reset or reboot SONY XPERIA MIRO (ST23i/ST23a) first to try remove cache and delete temporary files while restart. If SONY XPERIA MIRO (ST23i/ST23a) still get problem, then we have to do hard reset to factory default.

How to Soft Reset or Reboot or Restart SONY XPERIA MIRO (ST23i/ST23a) ?

To soft reset SONY XPERIA MIRO (ST23i/ST23a), press the POWER BUTTON KEY for several seconds, we will see the menu to restart or turn off. Choose restart/reboot than the SONY XPERIA MIRO (ST23i/ST23a) will do the soft reset or restart. This is safe to do because non of important data or applications will wipe or erase.

#Option 1, Hard Reset SONY XPERIA MIRO (ST23i/ST23a) with Software Menu :

  1. Make sure the battery is not empty, better fully charge
  2. Turn on SONY XPERIA MIRO (ST23i/ST23a) smartphone
  3. Don’t forget to backup all important data
  4. Go to menu:Setting > Backup & reset > Factory Data Reset> Erase internal storage > Reset Phone
  5. ChooseErase everythingto continue and confirm you ready to do the format SONY XPERIA MIRO (ST23i/ST23a)
  6. The SONY XPERIA MIRO (ST23i/ST23a) will continue the step until ready to use in clean factory default.

#Option 2, Hard Reset SONY XPERIA MIRO (ST23i/ST23a) with Flashtool applications:

  1. Flashtool in the applications from Sony can be download from Sony website.
  2. Flashtool software need to installed in you computer and ready with USB data cable
  3. Make sure SONY XPERIA MIRO (ST23i/ST23a) battery is charge properly or full charge
  4. Power off SONY XPERIA MIRO (ST23i/ST23a)
  5. Boot SONY XPERIA MIRO (ST23i/ST23a) to flashmode with using:Volume Down Buttonandconnect to USB cable at No.1 above
  6. Follow the menu at you computer display, it is easy to understand the steps.

#Option 3, Hard Reset SONY XPERIA MIRO (ST23i/ST23a) with Hardware Key Button:

  1. Make sure the battery charge properly before doing this step
  2. Do not forget to backup all important data
  3. Turn off the SONY XPERIA MIRO (ST23i/ST23a)
  4. Press and Hold together:Power Button + Volume UpButton for several seconds
  5. Follow the menu at LCD screen to continue the hard reset SONY XPERIA MIRO (ST23i/ST23a)

#Option 4, Hard Reset SONY XPERIA MIRO (ST23i/ST23a) with PC Companion Software from Computer

  1. Please Make Sure the Battery not Empty
  2. PC Companionis default applications for Sony Smartphone which can be download from Sony Website
  3. After install at our computer, openPC CompanionApplications
  4. Before connect to phone, please choosePhone Updateand follow several step atPC Companion
  5. At some menu,PC Companionwill tell us how to connect the phone withPC Companionusing USB cable and press theVolume Downbutton
  6. Finish thePC Companionstep and until it doing Factory Reset to SONY XPERIA MIRO (ST23i/ST23a) to factory default Android operating system.

Be careful before perform master reset SONY XPERIA MIRO (ST23i/ST23a) with the step that already explain above, because all installed applications and any important data will be wipe and removed from this smartphone. You need to do full backup of your important data before doing the master reset step.

How to Restore and Reinstall Clean Android Operating system at SONY XPERIA MIRO (ST23i/ST23a) ?

SONY XPERIA MIRO (ST23i/ST23a) default and clean operating system already saved at this smartphone ROM, the Android operating system will not removed or deleted when we do the format. When we do the hard reset or master format then the clean and default setting operating system will installed at SONY XPERIA MIRO (ST23i/ST23a). So, to restore or reinstall the SONY XPERIA MIRO (ST23i/ST23a) operating system just do the hard reset step above.

How to Unlock or Fix or Solutions for SONY XPERIA MIRO (ST23i/ST23a) forgot password code or security lock screen pattern or pin?

When we need to give more security for SONY XPERIA MIRO (ST23i/ST23a) we can do by giving security password or lock screen pattern to make it more safe. If you forget about the security password pin or screen lock pattern, then we can restore it by pressing Forget Password button and retype your Google account inside this SONY XPERIA MIRO (ST23i/ST23a). But if you can not access the Google account, then you have to do master format to factory default with hard reset.

How to Improve Performance SONY XPERIA MIRO (ST23i/ST23a) to make run more faster?

To make our SONY XPERIA MIRO (ST23i/ST23a) can be run normally and faster, you should only install important application. Some installed applications is not always compatible with SONY XPERIA MIRO (ST23i/ST23a), it can make the smartphone become slowly. It the SONY XPERIA MIRO (ST23i/ST23a) already running slowly then you have to optimize and reduce the installation applications, but if not help, then you should do hard reset SONY XPERIA MIRO (ST23i/ST23a) to make it run faster again with proper setting.

Is That Any Secret Code for Doing Format SONY XPERIA MIRO (ST23i/ST23a)?

There is no secret hidden code for SONY XPERIA MIRO (ST23i/ST23a) to make it back to factory default. Do the options above to hard reset it.

46 thoughts on “How to Easily Master Format SONY XPERIA MIRO (ST23i/ST23a) with Safe Hard Reset?”

  1. I have complaints against my phone sony xperia miro .Many people complain that my phone shows i am in out of coverage area when ever they call me. I have physically re verified even my signal strength is very good i am not getting any call!!!!!!!Many occasions friends says SMS are not delivered to me,say the sms are rejected!!!!!Is this the problem of my Hand set????????

    • Hi, to make sure your Sony Xperia Miro has not problem, this is what you can do: first try to do hard reset and make sure all call is work properly. If after hard reset your phone still can not access from other party, can can try change your card from your provider service center. If the problem still the same, you should bring your Sony Xperia Miro to Sony service center for further check.

    • Hi, you can try to find Forget Password / Pattern button after doing several time wrong password answer continuously until the screen locked, usually the Forget Password / Pattern button will be appear if that is nothing wrong with the operating system.

  2. Hello…my xperia miro st23 is locked bcause of to many pattern atempt…now i try to do the hard reset by press and holding the power button and volume up…but nothing is happening..the android menu for hard reset is not appearing… the phone just openning like normal…i did the same way on my samsung phone and it works…can you help me here….

    • Hi, the step should do carefully. You also can try to reset Sony Xperia Miro using PC Companion software with need to be installed at our computer. Please follow the option 4 step above to do hard reset with PC Companion.

    • Hi, if you forgot the security password for Sony Xperia Miro, you can try to bypass or unlock it with Google Account, find the Forget Password button after input several time wrong answer continuously until the phone freeze for several seconds. If you can not access Google account then you have to do hard reset. Doing hard reset with hardware button should do carefully. The other alternative, you can do hard reset with PC Companion. Please try to download PC Companion software from your computer and install it. After that follow the steps at PC Companion. You can follow to hard reset Sony Xperia Miro with PC Companion using #option 4 above.

  3. I forgot my password then i keep typing until it said that i must wait for 30sec to continue, there is no forget password displayed, help me

    • Hi, usually the Forgot Password button will appear at lower positions at the screen, please find it carefully. If you still can not access that button, you have to do hard reset the Sony Xperia Miro with hardware button key.

  4. what happen to my sonny experia when Im using it usually turns off. I cant rest it because it turns off automatically.what will i do?

    • Hi, the automatically turn off can be happen because your battery get trouble or need to be replace. This problem also can happen because the phone charger can not charge properly. Please try to use different Android charger and charge your Sony Xperia Miro about 30 minutes until 1 hour, if the battery well, it will turn on at least 10-15 minutes. You also can try to do hard reset or master format, but if you can, do not forgot to backup any important data because they will be wipe or remove from your phone.

  5. hi there,i want to ask,why my fon cannot connect to the computer??
    and,if i want to download some application from google play,
    “there is insufficient space on the device”,what the meaning of that,,help me.

    • Hi, that information tell your internal memory is out of space, you have to uninstall some not use applications. You also may try to remove some applications data like Facebook or Twitter. You can see this options at menu Setting > Storage, see the Available free space. Tab the Apps to reduce or uninstall the applications. Although not related, but maybe this problem can fix to connect to computer, but mostly the problem with not recognizing by computer because your computer can not find the device driver for your Sony Xperia Miro, please try to download the PC Companion or other applications from Sony official website.

  6. السلام عليكم عندي سني إكسبريا مرو نفد من شحن ولم يشتغل شحنت هاتف بِجميع طرق ولم يشتغل لم أعرف لمادا

    • Hi, sorry reply in English. Please try to use other Android charger to make sure your battery still fine. Because there are several options that could make your Sony Xperia Miro can not charge, first because of the charger, the other possibility because your battery already died and need replace with new one.

  7. I have tried to reset my xperia miro by, Press and Hold together: Power Button + Volume Up Button for several seconds but I dint get any option as you said, but when I do like that its switching on my cell that’s all , please fix it

    • Hi, if you can not reformat or hard reset Sony Xperia Miro using hardware button, then you need to try doing hard reset with PC Companion after download the PC Windows applications from Sony official website, and follow the steps at #Option 4 to reformat. Before doing this of course you need computer PC with Microsoft Windows operating system and USB data cable.

  8. hi there,i want to ask,why my mobile device cannot connect to the computer?? And all applications are not runs properly, they are automatically turn off.

    • Hi, first try to make sure your computer already recognize your Sony Xperia Miro driver. Usually if using Microsoft Windows 7+ then it will automatically find the driver within the Internet. However, if you can not connect, then try to download Sony Xperia Drive manually from Sony official website, then install it first at your computer before connected to Xperia Miro. If all of your applications can not run properly, then maybe you have to do hard reset or reformat, to refresh or reinstall operating system back and installed applications to factory default. But try to backup all important data if you can, before performing hard reset or reformat Sony Xperia Miro.

  9. I have problem about my experia miro.. While turn on it just exist that logo only ‘XPERIA’ not running anymore …its like stuck and operating system doesn’t working… How could i???

    • Hi, it seems that your Sony Xperia Miro get stuck at boot logo. You can try to hard reset using hardware button combination key, but you also have good alternative to hard reset and also update to latest available firmware at your Sony Xperia Miro using PC Companion which need to download first from Sony official website and install that downloaded file to your PC computer which use Microsoft Windows operating system (Win XP/Win 7/Win 8+), if you are use MAC, then download alternative applications. After your Windows computer PC already finish installing Pc Companion, then follow steps at #Option 4 above to reformat or reflash your Sony Xperia Miro using PC Companion applications.

  10. Sir i want to update my xperia st23i through internet but it shows you already have new app and letest version.
    What can i do?

    • Hi, using OTA will check latest update for your Sony Xperia Miro. You also can try to check the latest update using PC Companion, but we recommended to backup all important data before reformat or update using PC Companion, because all important data will remove or erase while doing reinstall with latest update.

    • Hi, there is no master format secret code for your Sony Xperia Miro, you can try to do hard reset or reformat using menu Setting while this phone still can boot properly or use PC Companion with PC using Windows operating system.

  11. Sir, I can not boot my mobile sony experia miro st23i. It is freeze on the start. I can not turn it on. What should I do?

    • Hi, please use PC Companion applications which need to download from Sony official website, then install at your computer with Windows operating system, and follow steps at #Options 4 above. That steps will reformat or reinstall the clean factory default Android operating system to your Sony Xperia Miro.

  12. My miro lose all contacts, disappear all, how??? I did not delete anything. Reset phone on factory settings and noting again.

    • Hi, first you have to make sure that your Sony Xperia Miro has alredy sync all contact to Google contact. Please use computer browser and login to with the same login account with previous Sony Xperia Miro. As far as you have signed in to Google account when the first time use your Sony Xperia Miro then by default your contact will be synchronize automatically to Google contact.

    • Hi, you can follow steps to hard reset or re-flash your Sony Xperia Miro operating system with factory default using menu Setting if your phone still can boot normally then follow steps at #option 1. The other alternative is using PC Companion using steps at #option 4 above, you have to prepare computer pc and download PC Companion applications from Sony official website.

    • Hi, at this situation, we suggest to do hard reset. The best way to reformat your Sony Xperia Miro is using PC Companion. You have to download the application first from Sony official website, then install at your computer pc. Follow steps at #option 4 above.

  13. Hi my Sony xeperia st23i automatically internet setting on the mobile how to solve the pblm can anyone help me what I do .

    • Hi, by default after doing hard reset or when the first time we activate the Sony Xperia Miro, setting for Internet connection using GSM network is turn on already. If we want to turn off Internet data connection, please go to Setting menu > Mobile Network > Mobile data turn off or… Setting menu > Data Usage > Mobile Data traffic turn off.

    • Hi, please try to reformat your Sony Xperia Miro using PC Companion applications like steps at #Option 4 above. But you need to download PC Companion applications first from Sony mobile official website.

  14. my sony xperia st23i stuck in xperia while starting and whenever i try to hard reset with your 3rd option (on/off switch+volume up ) it still stuck in xperia .. any suggestion ?

    • Hi, please try to reformat your Sony Xperia Miro using PC Companion like steps at #option 4 above. It will restore the operating system to factory default. You need to prepare computer with Microsoft operating system like Windows 7/8/10 and follow that steps carefully.

  15. phone turned off while trying slide to unlock on my xperia miro and and while starting pressing vol+power button is not getting reset . what to do…..??

    • Hi, please try to make sure your Sony Xperia Miro battery is still fine. Otherwise you have to do hard reset using PC Companion using PC computer which have Windows 7/8/10 operating system. Please follow steps at #Option 4 above and it will reformat your Sony Xperia Miro operating system to factory default.

  16. hi .. what will I do if my phone (Sony Xperia Miro ST23i) is not respond if I take picture. It open when I touch the camera then see my new pic but when it comes to go in gallery my picture get blank.

    • Hi, we suggest you to try install alternative pictures viewer like QuicPic or Google Photos from Google Play Store. It seems that your camera has able to captured photos, but the default gallery can not show viewer properly.


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