How To Update Xperia Pro MK16i / MK16a to Android 4.1.1 Jelly Bean CM10 Custom ROM

It doesn’t looks like Sony is going to roll any software updates, forget Jelly Bean not even ICS updates.But now you can install an custom ROM on your device which is based on Android 4.1.1 Jelly Bean.Most of you will be well knowing or have heard about CyanogenMod 10 which is an Jelly Bean based ROM and you can very easily install Android 4.1.1 Jelly Bean CM10 Custom ROM on your Xperia Pro MK16i / MK16a.



In this tutorial we will guide you through how to update your Xperia Pro MK16i / MK16a to Android 4.1.1 Jelly Bean CM10 Custom Firmware.But before the tutorial we should let you know some warnings and pre-requisites.


Disclaimer – All the tools, mods,firmwares or ROMs etc. mentioned below belong to their respective developers or owners.In any case while following the tutorial you do something wrong,miss a step or what soever, we or the developers or owners are not liable or responsible to any damage or brick of your device in any case. We are not forcing you to attempt this tutorial, its all your wish.

What’s must before proceeding forward to tutorial  

Download USB Drivers – 

Download the latest USB drivers, so that you can connect the phone to the computer from here –

Android USB Drivers 

It’s always advisable to be on a safer side before trying anything on your device, so please create a backup of your devices data.So that you don’t loose your contact,messages or files.

Full Backup Guide – 

Do make sure to check battery status –  Check Your Battery Percentage

USB debugging is enabled on your device –  Enable USB Debugging Feature

I hope every warning and instruction mentioned above has been taken into care, now let’s proceed to next page.

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  • help please

    i keep getting:
    E: Error in /sdcard/fx…….
    (Status 7)

    when trying to install the custom rom

    • abhishek singh

      try repeating the process again from begining..maybe u hav missed a step

      • help please

        its not working :/
        Finding update package…
        Opening update package…
        Installing update…
        assert failed: getprop(“ro.product.device”)==”MK16i” || getprop(“”) == “MK16i” || getprop(“ro.product.device”) == “MK16a” || getprop(“”) == “iyokan” || getprop(“”) == “iyokan”E:error in /sdcard/
        (Status 7)

        • Rahul

          i didn’t miss any step then also i had same problem… in my MK16i

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  • Ola

    I can’t install any custom roms on my xperia proi. i’ve tried several versions of cyanogenmod, paranoid android, PAC… they install just fine but when i reboot i either get a blank screen after the xperiafree logo or i get the boot animation but it just stops there indefinately. any ideas?

    • abhishek singh

      some prblmin your device i think :/