How to Install Cranium V3.1 Custom ROM Update in Galaxy SL I9003

Sanjana January 28, 2012 2

All those users who wanted a stable custom ROM for their Samsung Galaxy SL I9003 have got their wishes granted true. Yes Galaxy SL I9003 users can now update their smartphones with the latest and stable firmware of “CRANIUMV3.1” that is the idol of custom firmwares with over million plus users. It is to be noted that this is not the official firmware by Samsung Electronics Ltd but it comes with a number of features that is beyond one’s expectations. We have already covered the detail procedure on how to install the the Nexus Custom ROM in your phone and this time it is the turn of Cranium Custom ROM.

samsung galaxy slWe wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is not recommended for basic users but is for advanced users and is only applicable to Samsung Galaxy SL I9000 smartphones that are network unlocked. Do not apply it in similar phone model numbers like I9000B or I9000T or in any other device as it might not be reversible and may harm the device by blocking it.


You must backup all user data present in your phone since chances of data loss or corruption are there. Having a backup can help you replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

cranium rom screen capturescranium rom screen captures 1

Must Have:

Download Cranium Firmware Zip fileDownload Cranium Fix

Steps to Update CRANIUMV3.1 Custom ROM in Galaxy SL I9003:

Before proceeding into the updation instruction, irrespective of the custom ROM firmware you are running on, you must first install the XXKPE version firmware in your smartphone and then root it on XXKPE firmware. Next install the XXKPH version firmware and again root it on XXKPH firmware. Check out the links posted below to update your Galaxy SL and then root it.

Steps to Update Galaxy SL I9003 with XXKPE

Steps to Root Galaxy SL I9003 with XXKPE

Steps to Update Galaxy SL I9003 with XXKPH

Steps to Root Galaxy SL I9003 with XXKPH

You have to make sure that you are running on XXKPH version firmware which you can do from the path Settings > About Phone > Firmware Version where it will display the Android OS version. If your device is rooted, you will see apps like Super user, CWM and tweaks.

Step-1: Download Cranium Firmware Zip file followed by Cranium Fix from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy both the downloaded zip files to your phone’s SD Card.

Step-2: After you have copied both the files to the computer, disconnect the USB Cable from the computer. Power off your phone to enter into Recovery mode by pressing Volume Down Key + OK button and holding both press Power Button simultaneously. If the phone starts in the normal mode then re-try to enter the phone into the Recovery mode.

Step-3: In Recovery mode select “Wipe data/factory reset” > “Wipe Cache partition” to clear all cache present in your device. Next select  ”Install zip from SD Card” > “Choose zip from sd card” to select the Cranium Firmware Zip file followed by Cranium Fix File.

Step-4: When all the files are processed one after another in Recovery Mode, the device will again boot up in recovery mode and will take around 10 minutes to update the device. In Recovery mode, select  “Wipe data/factory reset” > “Wipe Cache partition” then choose the option of  “++++ Go Back ++++” > “Reboot system now” option to restart the device normally.

reboot system now

You can now restore the back up of all the data created and aslo re-configure the APN, Internet and other Settings. You  have to contact your Service provider to get more info regarding the APN Settings or otherwise you can note it down before proceeding with the updation instructions. Thus you can easily update your Samsung Galaxy SL I9003 with the Cranium Custom ROM by following the steps mentioned above carefully.


  1. Ammar January 30, 2012 at 10:04 pm - Reply

    Hey SANJANA, i want to intall Cranium but wanted to know how to add Arabic support, i mean can i install Cranium over jpkp5 instead of XXKPH???
    Thanks for ur effort :)

  2. Sanjana January 31, 2012 at 4:23 am - Reply

    Sorry this Cranium ROM doesn’t support Arabic… guess you’ll have to stick to XXKPH

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