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How to Update Samsung Galaxy S2 GT I9100 with Jellybean 4.2 Custom ROM Firmware (One Click method)

galaxy sx2 jellybean custom rom      In this article i will guide you through a one click step on  how you can enjoy the latest  Android Jellybean custom rom on your Samsung Galaxy S2 GT I9100.  Though there are still no updates on by when there will be Jellybean 4.2 version of firmwarewill be rolling out officially by Samsung, but like i said in my earlier post. this should be this year. In the meantime however, the good thing is that developers are all here with the custom ROM firmwares which will help you apply this latest jellybean 4.2 firmwares with the help of custom ROM firmware called “Jellybam” firmware.

Disclaimer: It is in your best interest to follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to help you out.

Pre Requisites:

  • I will advice you to manually back up all your data on the Galaxy S2 and note with samsung  KIES PC Tool as it won’t detect the custom ROM firmwares. Additionally, Don’t backup the data with the help of ROM MANAGER as it may even brick the device.

 

Instead you can backup your sms with an application on google play called sms backup and reatore.
For contact Contacts – Sync with the Gmail application,
For your Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to a folder on your computer Copy to internal / External SD Card,

  • Minimum battery level left in your phone should not fall below 60% so as to make sure that it doesn’t get turned Off in the middle of firmware update.  You should also enable USB debbuging by going to the path“Settings > Applications > Development > USB debugging”, enable the USB.
  • You should or can only use this with a rooted device. to confim if your device has bee n rooted,  Download the Root Checker app from the Google PLAY Store and check whether your phone is rooted or not.

 

Now the Steps:

  • Download the Jellybam 4.2 Firmware  Update Package here to your computer
  • Now  connect your device to the computer with the help of original USB cable and place the zip file you downloaded to the root of your phones SD CARD in your device.
  • Once you have placed the file, disconnect the device and turn off your device so that it can be entered in the recovery mode.
  • Recovery mode in Galaxy S3 GT I9100 can be entered by holding the Volume Up button + the Home key button (the middle button). While holding these both buttons, turn ON your device.
  • In recovery mode, select “Wipe data/factory reset” & “Wipe Cache partition”. If the device starts normally, then you will need to re try the process of entering the device in the recovery mode. You can also enter the device in recovery mode alternatively via the ROM Manager app which can be downloaded from the Google PLAY Store.
  • Now, in the recovery mode, select “install zip from SD Card” to select the zip file of Jellybam which you have placed in your device’s SD Card. Once the file is selected, you now need to wait for the zip file to get processed in the device. As soon as you see the message of “installing from sd card completed” at the bottom of the screen, you now need select “go back” and then select “reboot system now” for rebooting the device in the normal mode. Device will take longer time than expected for rebooting the device.

 

Below are some of the key features of the Jellybam 4.2 Firmware for S2 GT I9100:

– Overall features of AOKP, CM10 and PARANOID –
– Custom JellyBam Settings with preferences –
– Tons of customizations –
– Themes and Mods in JellyBam style –
– Aroma installer –
– Latest CM10/AOKP vsync patched Kernel –
– Latest Siyah and DorimanX –
– Google apps from android 4.2 –
– New Mali driver –
– Exynos HWComposer –
– Lockscreen with x8 Custom app targets –
– Gallery, Camera and KeyBoard from 4.2 –
– Clock from android 4.2 –
– Google play music from android 4.2 –
– photo sphere and panorama works



lemmy (599 Posts)

Am a Fun blogger from Nigeria, and also a Student with an irrepressible flair for sharing any info i have on Mobile Related Stuffs and Computer stuffs. My other area of interest is in Satellite television. You can follow my tweets on Twitter or add me to your circles on Google+! You can as well grab my feed and get updates through email







Comments

  1. The JellyBam ROM is terrific, but it is not Android 4.2, it is 4.1.2 Despite what the developer advertises, it does not have the 4.2 gallery or camera apps, they are still 4.1. I didn’t get the 4.2 clock either.

    • the official 4.1.2 firmware is out now

      • Peter Adeyoju says:

        Hi,
        it is possible to upgrade my Samsung Phone model no: GT-I9100. Android version
        4.1.2
        Baseband Version I9100XXKI4
        Kernel Version 3.0.31 -462349 se.infra@SEP-111#3 SMP PREEMPT Tue Nov 6 02:42:23 KST 2012.
        Build Number JZ054K.19100XXLSJ

        to Android 4.2.2 nighty ROM using the process given above? CM10.1
        Do I need to download Gapps for android 4.2.2?

  2. Peter Adeyoju says:

    How can I ensure my phone is rooted? link to what to download

    • search for rooting on the site search box

      • Peter Adeyoju says:

        please your comment and confirm
        1. SuperOneClickv1.9.1.exe and SuperOneClickv2.2.e. Can any of the version be used?
        2. Make sure NOT to mount the SD card, —-Is it on the phone or computer
        3. Make sure NOT to mount the SD card. ——Should I need to unmount SD card?
        4. What is the different between file One_click_rooting kit for samsungFramaroot and using SuperOneClickv2.2.exe?
        5. when One_click_rooting kit for samsungFramaroot is downloaded, there is no frameroot – APK application to run. Is it an omission?
        6. In the procedure, Your device must be S-OFF. I don’t understand this.

        • 1. superoneclick u should use the newer version cos it supports more phones
          2. meaning unmount or remove ur memorycard
          3. framarook doesnt require a pc just send it to your device and run it will automatically root your phone
          6. S-OFF is for HTC

  3. I HAVE GALAXY S2 GTI9100 VERSION 2.3.5
    BASEBAND I9100XXKI4
    KERNEL VERSION 2.6.35.7-I9100JPKJ2-CL655700 ROOT@DELL 143 #2
    BUILD NUMBER GINGERBREAD.JPJK2
    I CANT UPDATED IT VIA KIES, PLZ SHOW ME THE WAY AND HOW I CAN UPDATED IT TO JELLY BEAN 4.1.2 OR 4.2.2
    THANK YOU

  4. thank you but i didn’t find the search box u talk about it

  5. thank you sir, but when i put the phone on download mode, it keep going downloading with android pic and never became yellow on odin, it still blue and faild… what i must do??? thank you

  6. thank you very much sir :)

  7. Hi,
    I HAVE GALAXY S2 GTI9100 VERSION 2.3.5 ROOTED
    BASEBAND I9100XXKI4
    KERNEL VERSION 2.6.35.7-01045-g551a073-dirtycodeworkx@cyanogenmod #4
    BUILD NUMBER GINGERBREAD.JPJK2
    AND I WANT TO UPDATE IT TO CUSTOM OR OFFICIAL CYANOGENMOD NIGHTLIES 4.2.2
    COULD U PLS GUIDE WAT AM I SUPPOSE TO DO?

    THANKS,
    AYAN

  8. model number : GT-I9100
    ANDROID VERSION: 2.3.5
    BASEBAND VERSION: I9100XXKI4
    BUILD NUMBER: GINGERBREAD.JPKJ2
    i want to upgrade it to 4.1.2 jelly bean via kies
    can i upgrade it via kies

  9. Hi lemmy, can u pls help me wit my samsung gio, I upgraded it to d unofficial jellybean 4.2 but it as a hic on its camera, radio and bluetooth. What shuld I do, I wanted to return it back to froyo but I culdnt get d software, pls help!!! Cos I can’t view mp4 videos, some pix, d fone won’t accept memory card wit plenty of music, can’t listen to raadio, nd can’t transfer or receive files tru bluetooth

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