Just a couple of days ago, Nexus devices corresponding to Nexus 4, Nexus 7, Nexus 10 and Galaxy Nexus I9250 obtained the most recent official Jelly Bean update through AOSP sources. Now, Galaxy S3 I9300 and HTC One X are the newest entrants to hitch the Android 4.2.2 Jelly Bean party. The former enjoys the brand new Jelly Bean options with due release of CyanogenMod 10.1 (CM10.1) ROM, whereas the latter gets its share with the just lately updated AOSP ROM.
NOTE: As this firmware is a nightly release, it might harbour a couple of untested bugs or broken features leading to FC errors, boot loops or in the worst case the phone could fail to boot. Customers are suggested to reinstall the inventory firmware or every other stable customized ROM to fix it (in case if such issues occur).
Key Factors to Note
CM10.1 ROM and the directions given on this guide are applicable to the worldwide variant Galaxy S3 I9300 mannequin only and will not work on another device. Verify your device's model number by navigating to Settings > About Phone.
Verify that the right USB drivers are put in for the Galaxy S3 on laptop (obtain USB drivers)
Again up vital knowledge and settings on the phone. It is recommended that you just use one of the custom recovery instruments such as ClockworkMod (CWM) or TWRP for knowledge backup, as it creates a backup with an entire image of your current phone setup. Keep away from utilizing Samsung KIES or ROM manager, as they lack flexible choices for data backup and may trigger points with the newly put in firmware.
Verify that USB Debugging mode is enabledon the phone by navigating to Settings > Developer Options (if the phone is running Android 4.0 or later) or go to Settings > Purposes > Improvement (if the device is running Android 2.three or earlier). Otherwise if your device is working Android 4.2 or later, do the following steps:
Go to Settings > About Phone
Scroll right down to the underside and choose Build Number
Now, tap Construct Quantity about seven instances till the hidden Developer Choices is unlocked or revealed underneath Settings. Then enable USB Debugging mode by selecting the checkbox.
Ensure that the device has a minimum of eighty five p.c battery charge.
Make sure that the phone is factory unlocked and rooted with ClockworkMod (CWM) restoration installed on it.
Double test to confirm that Dalvik Cache Wipe is completed earlier than continuing from the Restoration Mode
Samsung KIES won't recognise your phone after putting in the firmware as it is a custom release.
The directions supplied on this guide are meant for reference goal only. IBTimes UK will not be held liable if you damage or brick your device during or after the ROM installation. Customers are advised to proceed at their own risk.
How to Install Android 4.2.2 CyanogenMod 10.1 Jelly Bean ROM on Galaxy S3 I9300
Step 2 - Connect and mount the Galaxy S3 USB mass storage on computer with the USB cable.
Step 3 - Copy the downloaded Android 4.2.2 ROM and Google Apps zip files to the root folder on your phone's SD card.
Step 4 - Switch off your phone and unplug its USB cable from computer.
Step 5 - Press and hold Volume Up, Home and Power buttons together until the phone boots into Recovery Mode.
Step 6 - In ClockworkMod recovery, do a full data wipe first. Then navigate to Flash zip from SD card option and hit Power button to choose it.
Step 7 - Tap the Power button again and click Choose zip from SD card.
Step 8 - Use volume keys to navigate to Android 4.2.2 CM10.1 ROM zip file that you copied earlier to your phone and select it by tapping the Power button. Confirm the ROM installation on next screen and the installation procedure will begin.
NOTE: Repeat this step for installing Google Apps as well.
Step 9 - Once both the CM10.1 ROM and Google Apps are installed, hit Go Back and reboot the phone by tapping Reboot System Now in the Recovery menu. The phone will reboot and the first boot may take about 5 minutes to complete. So, leave it alone.
Your Galaxy S3 is now running the latest Android 4.2.2 CM10.1 Jelly Bean custom ROM. Go to Settings > About Phone to verify the firmware installed.
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