Update Sony Xperia M C1904/C1905 To Latest 15.4.A.1.9 Firmware

Sony recently started rolling out a new update for it’s mid-range device Sony Xperia M. The new update is based on the build number 15.4.A.1.9. According to Sony, this update fixes some minor bugs and enhances the stability and performance of the device. User experience has been enhanced as well, and the battery performance is believed to get better in this update. 15.4.A.1.9 is the Android 4.3 Jelly Bean firmware.

As usual, these updates are always region specific. Just in case you haven’t received via OTA or via Sony PC Companion yet, you may consider updating your Xperia M to this latest firmware manually using Sony Flashtool. Flashing a firmware manually can also become handy when you’re stuck with your firmware and you have no other way to get rid of the problem except for flashing the stock firmware once again. In the following post we are going to update Sony Xperia M C1904/C1905 to latest stock Android 4.3 Jelly Bean 15.4.A.1.9 firmware. All you need is, you need to follow this guide being very careful.Xperia M

  1. As mentioned, this firmware is only for Xperia M C1904/C1905. Do not try this on any other phone, that may result in bricking your device. Check your device’s model number in Settings > About device.
  2. You must have installed Sony Flashtool. Find the full guide here.
  3. After installing Sony Flashtool, open the Flashtool folder from the drive where you installed it.
  4. Now open Flashtool>Drivers>Flashtool-drivers.exe and install the Flashtool, Fastboot & Xperia M drivers from the list. [Important]
  5. Your phone must be charged at least over 60%. This is highly recommended in order to prevent any power issues during the flashing process.
  6. Enable USB debugging mode on your device. To do so, tap settings>developer options>USB debugging. If you can’t find developer options in settings, then tap settings > about device and tap “Build Number” for 7 times and you’ll get em’ activated under settings.
  7. Make sure that you back up all your important media content,  contacts, call logs and text messages. This is highly recommended and important in case something goes wrong during the flashing process or in case you select the data wipe option before flashing. You can easily restore whenever you need.
  8. To flash this firmware, you do not need to root your device, you do not need to unlock the bootloader. All you need is, your device must be the one mentioned and must be running on Android 4.2.2 or 4.3 Jelly Bean.
  9. Download the firmware file properly.
  10. Use the OEM data cable to connect your phone to your PC. Using any other data cable might cause connection problems.
  11. This firmware can be flashed on Xperia M in any region/any country.
  12. Alright! Follow this guide to the letter in order to prevent any mishap.

How to Install Android 4.3 Jelly Bean 15.4.A.1.9 on Xperia M C1904/C1905:

  1. Before moving forward, please make sure that you’ve read the pre requisites and ensure that you are set to go ahead.
  2. Download the latest Android 4.3 Jelly Bean 15.4.A.1.9  FTF file.
      1. For Xperia M C1904 [Generic]
      2. For Xperia M C1905 [Generic]
  3. Extract the downloaded rar file and you will get the ftf.
  4. Copy the file and paste in Flashtool>Firmwares folder.
  5. Open Flashtool.exe now.
  6. Hit the small lightening button on the top left corner and select Flashmode.
  7. Select the FTF firmware file that you placed in the Firmware folder. 
  8. From the right side, select what do you want to wipe. Data, cache and apps log, all wipes are recommended, however you may select if you don’t want.
  9. Click on OK, and it will start preparing the firmware for flashing. This may take a little while to load.
  10. As soon as the firmware is loaded, it will prompt you to attach the phone by turning it off and keeping the back key press.
  11. For Xperia MVolume Down key will do the job of back key, just turn off your phone, keep the Volume Down key pressed and plug in the data cable.
  12. As soon as the phone is detected in Flashmode, the firmware will start flashing, Do not leave the Volume Down key until the process is complete.
  13. As soon as you see “Flashing ended or Finished Flashing” leave the Volume Down key, plug the cable out and reboot.
  14. That’s All! Congrats! You’ve installed latest Android 4.3 Jelly Bean on your Xperia M C1904/C1905. Enjoy

In case you got any queries or face any problems regarding this guide, please feel free to stop by the comment box below and let us know. We will get back to you as soon as possible. Thanks all!


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  • @disqus_6xwZmKcGm0:disqus do not leave the volume down button while flashing is going on.

  • shad rais

    My Sony xperia m (c1904) is rooted , bootloder unlocked and installed twrp recovery and cm12 rom.
    I want to know that by flashing this ftf file my mobile go back to stock rom or not and phone will be rooted or not

  • shad rais

    My Sony xperia m (c1904) is rooted , bootloder unlocked and installed twrp recovery and cm12 rom.
    I want to know that by flashing this ftf file my mobile go back to stock rom or not and phone will be rooted or not

    • @shadrais:disqus Yes, your phone will be back to stock and it will not be rooted on this firmware.

      • shad rais

        Sir, Link is not working…
        Please add a mirror link.
        And mega.Co. nz is blocked in India.
        Plz…

  • chinmayee kappagantula

    my phone is stuck at the starting screen how do i get it to normal opening

  • Ashish Anand

    unable to switch on after the update.

    • @disqus_QhrDEozwZM:disqus flash stock firmware once again. It will work fine.

  • Vishant Garg

    My phone is bricked initially, i tried flashing it, it is now switching on, sony logo come and then wave of colors continue. Am not able to solve it. Please suggest. Xperia M

    • @vishant_garg:disqus you will have to flash the stock firmware to recover it.

      • @vishant_garg:disqus You can create your own FTF using this guide: http://techbeasts.com/2014/08/26/how-to-download-sony-xperia-official-firmware-and-create-ftf-file/

        • Vishant Garg

          Thanks Sir G. below is log, not sure what to do next

          13/009/2016 22:09:12 – INFO – Device connected in flash mode
          13/009/2016 22:09:31 – INFO – Please connect your device into flashmode.
          13/009/2016 22:09:32 – INFO – Opening device for R/W
          13/009/2016 22:09:32 – INFO – Reading device information
          13/009/2016 22:09:56 – INFO – Unable to read from phone after having opened it.
          13/009/2016 22:09:56 – INFO – trying to continue anyway
          13/010/2016 22:10:03 – ERROR – No loader found for this device
          13/010/2016 22:10:03 – INFO – Your phone bootloader cannot be officially unlocked
          13/010/2016 22:10:03 – INFO – You can now unplug and restart your phone
          13/016/2016 22:16:09 – INFO – Selected Bundle for Sony Xperia M (C1904). FW release : 15.1.C.17. Customization : Generic IN
          13/016/2016 22:16:09 – INFO – Preparing files for flashing
          13/016/2016 22:16:27 – INFO – Please connect your device into flashmode.
          13/016/2016 22:16:28 – INFO – Opening device for R/W
          13/016/2016 22:16:28 – INFO – Reading device information
          13/016/2016 22:16:28 – INFO – Phone ready for flashmode operations.
          13/016/2016 22:16:28 – INFO – Current device : C1904 – YT910MA0AX – 1274-3899_R8A – 1272-2325_15.1.C.1.17 – WORLD-a_15.1.C.1.17
          13/016/2016 22:16:28 – INFO – Start Flashing
          13/016/2016 22:16:28 – INFO – Processing loader.sin
          13/016/2016 22:16:28 – INFO – Checking header
          13/016/2016 22:16:28 – INFO – Flashing data
          13/016/2016 22:16:28 – INFO – Processing of loader.sin finished.
          13/016/2016 22:16:28 – INFO – Loader : S1_Root_dbe9 – Version : loader_MSM8X30_10 / Boot version : S1_Boot_MSM_8227_5 / Bootloader status : ROOTABLE
          13/016/2016 22:16:30 – INFO – Processing partition-image.sin
          13/016/2016 22:16:30 – INFO – Checking header
          13/016/2016 22:16:30 – INFO – Flashing data
          13/016/2016 22:16:30 – INFO – Processing of partition-image.sin finished.
          13/016/2016 22:16:30 – INFO – No bootdelivery to send
          13/016/2016 22:16:30 – INFO – Processing kernel.sin
          13/016/2016 22:16:30 – INFO – Checking header
          13/016/2016 22:16:30 – INFO – Flashing data
          13/016/2016 22:16:31 – INFO – Processing of kernel.sin finished.
          13/016/2016 22:16:31 – INFO – Processing rpm.sin
          13/016/2016 22:16:31 – INFO – Checking header
          13/016/2016 22:16:31 – INFO – Flashing data
          13/016/2016 22:16:31 – INFO – Processing of rpm.sin finished.
          13/016/2016 22:16:31 – INFO – Processing fotakernel.sin
          13/016/2016 22:16:31 – INFO – Checking header
          13/016/2016 22:16:31 – INFO – Flashing data
          13/016/2016 22:16:32 – INFO – Processing of fotakernel.sin finished.
          13/016/2016 22:16:32 – INFO – Processing modem_fs2.sin
          13/016/2016 22:16:32 – INFO – Checking header
          13/016/2016 22:16:32 – INFO – Flashing data
          13/016/2016 22:16:33 – INFO – Processing of modem_fs2.sin finished.
          13/016/2016 22:16:33 – INFO – Processing modem.sin
          13/016/2016 22:16:33 – INFO – Checking header
          13/016/2016 22:16:33 – INFO – Flashing data
          13/016/2016 22:16:41 – INFO – Processing of modem.sin finished.
          13/016/2016 22:16:41 – INFO – Processing modem_fs1.sin
          13/016/2016 22:16:41 – INFO – Checking header
          13/016/2016 22:16:41 – INFO – Flashing data
          13/016/2016 22:16:42 – INFO – Processing of modem_fs1.sin finished.
          13/016/2016 22:16:42 – INFO – Processing cache.sin
          13/016/2016 22:16:42 – INFO – Checking header
          13/016/2016 22:16:42 – INFO – Flashing data
          13/016/2016 22:16:44 – INFO – Processing of cache.sin finished.
          13/016/2016 22:16:44 – INFO – Processing system.sin
          13/016/2016 22:16:44 – INFO – Checking header
          13/016/2016 22:16:44 – INFO – Flashing data
          13/019/2016 22:19:20 – INFO – Processing of system.sin finished.
          13/019/2016 22:19:20 – INFO – Processing userdata.sin
          13/019/2016 22:19:20 – INFO – Checking header
          13/019/2016 22:19:21 – INFO – Flashing data
          13/019/2016 22:19:29 – INFO – Processing of userdata.sin finished.
          13/019/2016 22:19:29 – INFO – Processing elabel-C1904-india_201307191100.1_15.1.C.1.17.sin
          13/019/2016 22:19:29 – INFO – Checking header
          13/019/2016 22:19:29 – INFO – Flashing data
          13/019/2016 22:19:32 – INFO – Processing of elabel-C1904-india_201307191100.1_15.1.C.1.17.sin finished.
          13/019/2016 22:19:32 – INFO – Ending flash session
          13/019/2016 22:19:32 – INFO – Flashing finished.
          13/019/2016 22:19:32 – INFO – Please unplug and start your phone
          13/019/2016 22:19:32 – INFO – For flashtool, Unknown Sources and Debugging must be checked in phone settings
          13/019/2016 22:19:33 – INFO – Device connected in flash mode

          Please suggest what next.

        • Vishant Garg

          I have restarted phone, but same colored wave continue to appear.

      • Vishant Garg

        Usama, Phone is working fine now, but I need to load such ROM which allows apps to move into SD card. Phone has 2 GB storage and all apps are getting installed on phone memory, nothing moving to SD Card. Please suggest which ROM to load and steps to do so.

  • Vishant Garg

    12/033/2016 20:33:37 – INFO – Device connected with USB debugging off
    12/033/2016 20:33:37 – INFO – For 2011 devices line, be sure you are not in MTP mode
    12/033/2016 20:33:40 – INFO – Bootloader unlock canceled

    • @vishant_garg:disqus do not connect your device in MTP mode. Please connect it without MTP mode.

  • Uthama

    Hi dear…i had a glans over the below conversation….but still am not able to come
    out of the error Type password to decrypt storage…..!!!
    i tried to install flash tool 0.9.18.2 version….but its giving an error txt like Error-
    opening for writing….abort…retry…ignor…..!!!!…even the device is not going to any mode even if i try with holding power+v+v-….!!!…pls help me dear……!!!

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