Update Xperia Arc/Arc S (LT15i/LT18i) to Android 4.4.2 KitKat with AOKP Custom ROM

Now you can update your Xperia Arc and Xperia Arc S to Android’s latest OS KitKat 4.4.2 version. Android Open Kang Project has now developed a custom ROM for Xperia Arc and Xperia Arc S as well. If you are still living with old boring Gingerbread, which is quite laggy and feature deficient aswell, then you need to spice up things and update your phone latest and most fun Android OS. Xperia Arc and Arc S are bother powered by Single Core procssors and 512 MB of RAM. Thanks to Google engineers, who have made KitKat light enough to be able to run on any phone with as low as 512 MB of RAM, you can expect smooth performance with this custom ROM.

This is a custom ROM which has been built to enhance user experience. Custom ROMs are built to provide users with such features that are not available in stock ROMs. Most of the features are on demand and well suited for everyday use. Custom ROMs are safe from any kind of bloatware. The sole purpose for building a custom ROM is to speed up the Android and make it easier to use our smartphones. You do not need to worry about anything. You can install this custom ROM and if you do not like it, you can easily go back to your previous ROM with numbr of methods available.

This is a step by step guide to update Xperia Arc and Arc S to Android 4.4.2 KitKat with AOKP Custom ROM. Whole procedure will be explained from scratct to make it easier for noobs to understand everything and avoid any foolish mistake. Those who are interested in this ROM can move on and jump to any section they like to read about.

Jump to:

1. About ROM - Screenshots & More
2. Pre-requisites for Installations - Drivers & More
3. Downloads & Installations Instructions
4. Troubleshooting

About ROM:

AOKP stands for Android Open Kang project. This name resemble the AOSP (Android Open Source Project). Like other famous custom ROMs, AOKP is much stable and well built than other custom ROMs out there. This is a very light ROM, unlike heavily themed stock official ROMs by Sony Ericsson. It puts much less strain on your hardware and let you do more with little power consumption. This ROM has been developed by vishal_android freak and if you like his work, donate him to keep his spirits high!


  • Clean, tweaker, Holo UI, AOKP Goodies and much more

Known Bugs:

  • If you find out any, do tell us :)


You can see from the below given screenshots that how beautiful it looks in this custom ROM.

Screenshot_2014-01-25-17-07-53 Screenshot_2014-01-25-17-08-08 Screenshot_2014-01-25-17-08-20 Screenshot_2014-01-25-17-08-34


  • You must have unlocked the bootloader of your smartphone

How to unlock bootloader of any Xperia Device Officially

If you ever want to relock your bootloader in future and revert all the settings to factory state, then you will need to backup TA partition. TA partition contains DRM keys, Bravia Engine functionality and your warranty papers verification. If you do not backup TA partition before unlocking bootloader, then you will never be able to revert back to factory state. Even if you do not want to relock bootloader ever, we still advise you to backup TA partition for future use. Visit the following link for a detailed guide on backing up TA partition on Xperia devices.

How to backup TA partition in Xperia devices

Xperia Arc LT15i owner must read this carefully. In order for you to be able to install this custom ROM on your smartphone successfully, you must install LT18i firmware on it first. It will make your phone ready to be flashed with this custom ROM. If yo do not do this, this custom ROM may not work on your smartphone. To do so, Visit this thread for detailed guide.

Another very important thing that you must keep in mind is that your phone must be on Android 4.0.4 Ice Cream Sandwich official firmware. If you try this with Gingerbread firmware, you might be quite disappointed with the outcome. You can update your smartphone easily with Sony PC Companion or flashtool. There is OTA update for your device for sure, so the easy way might be to install it with PC Companion. You can get it here.

Posted In: Android 4.4.x, Custom ROMs, Xperia Arc/Arc S


  1. zana-kurd says:

    please update this link on ROM because in (goo.in ) the link was not working and thanks for this

  2. Acko says:

    OK, when phone starts at the pin lock, the touch screen freeze. NOT responding!! any HELP!?

  3. Acko says:

    i instaled everything like you said, BUT when phone boot up, the touch dont respond, all buttuns like volume, menu, home , back an dpower key work but touch dont, after taking off the battery suddenly touch worked, but whe restarted again it stoped again, any solution to this? and btw gapps are not recognized as zip file! and they dont exist on the sd card in cwm. TnX in advance!

  4. Rudolph Opperman says:

    Hey dude thanks for the guide, Works perfectly no problems so far. Came from Super Jellybean and I must say this rom is really stable so far. Thanks for the guide and thumbs up for the rom creators. What is the direct rom link I would like to update my rom as new roms are released.

  5. Hayder Ameen says:

    You can get the ROM zip from the developer’s thread. Link to his profile is provided in “About ROM” section.

  6. panchin15 says:

    thanks for the post regarding kitkat update on arc s, so far , so good, im a newbie on the custom roms but still got it to works.thanks sir.

  7. Ayyoun says:

    plz help….i dun wanna cange my rom again

  8. Ayyoun says:

    hey man my video camera isnt workin

  9. Hayder Ameen says:

    Try the home/power button to make a selection.

  10. barkido1996 says:

    after i switched the ketnal i enter recovery mode but for some reasone the logo of the recovery mode cwm appears but there is no menu…. well i switched back the old kernal and now my phone is fine
    but if i switch the kernal aggain no menu in recpvery mode…. what do i do?!

  11. Will RM says:

    That is bad, home button does not work in this phone. I flashed back to LT18i firmware and tried to install kitkat with ADB command (reboot download) but it did not work either

  12. PeterS says:

    Don’t install this ROM on LT18i! It useless, slow, apps crashes all the time. Try one from the link with UltraKat Custom ROM. I have a good experience with it.

  13. kolpokz says:

    dude. . i can’t download ROM.zip. . dunno y. . but when it’s 90%, it goes 0kb/s

  14. Kalin Poter says:

    I need to be rooted(LT18i) to proceed

  15. matflat says:

    Why can i not install apk files?????? browser is useless.

  16. Marcelo Da Fonseca Guilherme says:

    I cant install APK files, a message says that “APK file not installed”

  17. Emanuel Abrajan says:

    Hi folks very good day! The error I discovered was that does not connect to wireless network and I still can not do could help me?Thank you!

  18. Hayder Ameen says:

    Flash the latest stock firmware first and then flash this ROM.

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