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How to Update Samsung Infuse 4G i997 to Jelly Bean 4.1 via Cyanogenmod 10

Follow this guide to install Jelly Bean 4.1.1 via Cyanogenmod 10 on Samsung Infuse 4G i997.
Disclaimer : The Procedure described in this article are risky & can cause damage to your device. You should not try to attempt this if you are not aware of these things. Please follow this guide completely at your own risk. If any damage happened to your device while following this tutorial, neither we nor developer should be held responsible for the same.

Please note that, this update of Cyanogenmod 10 is applicable only for Samsung Infuse 4G bearing model number I997. DON’T try it on any other device, it may cause damage to your phone..
Pre-Requisites before installing Cyanogenmod 10 :
Charge your device upto 60% battery level so that installation procedure won’t be interrupted.
You will have to wipe all the data (excluding SD card) before installing this custom ROM update. Therefore it is highly recommended to Backup all your data from phone memory which includes contacts, messages (SMS/MMS), call logs, Internet APNs etc.
Enable USB Debugging option in your phone which can be found out here : “Settings->Applications->Development->USB Debugging”
Procedure to Update AT&T Samsung Infuse 4G I997 with Cyanogenmod 10 :
Before proceeding to the actual installation procedure, ensure that your device is running Android 4.0 (ICS) ROM & has custom recovery installed in it. Please don’t proceed further if your phone doesn’t meet above 2 requirements.
Download latest Cyanogenmod 10 package from the official development page (link is mentioned below) :

Infuse 4G Cyanogenmod 10
(Optional) Download Google Add-on Apps (Gmail, Maps, GTalk, Play Store etc.) which need to be flashed manually since they are not present in the ROM by default.
Google Apps (Jelly Bean).
After downloading CM10 & Google Apps, connect your device to PC. Enable mass storage mode on it. Now copy Cboth the files to your device’s SD card.
Disconnect it from computer. Boot in recovery mode on your phone. To do so, switch off the phone completely. Press & hold Volume Up + Volume Down + Power Key together until recovery mode appears (you may release power button after Samsung logo but keep holding other two).
Take a nandroid backup of your current ROM so that it can be restored back (in case if anything goes wrong). To backup your current ROM, select Backup and Restore option from the recovery mode & on next screen, select backup. Now It will make a nandroid backup of your whole system (excluding SD card). Wait for the backup process to get finished.
Select wipe data/factory reset & wipe cache partition to wipe all the data & caches from the phone memory respectively.
Now Select “install zip from sdcard” followed by “choose zip from sdcard“. Navigate the ROM file (which you’ve transferred earlier) Select it & press on ‘Yes‘ to continue. ROM installation process will start.
Wait for the ROM to get installed. After ROM gets successfully installed, your phone will land in the recovery mode again.
(Optional) The same procedure you have to do for installation of Google Apps (Don’t wipe the data again). After you finished installation of Gapps, press back button to go to main menu of CWM.
Select reboot system now from the recovery mode to Restart the phone.
Congratulations !! You’ve successfully updated your Samsung Infuse 4G with the Jelly Bean based custom ROM (Cyanogenmod 10). Keep visiting the official development page for the latest updates & if you have any issue regarding this procedure, comment it below, we will try our best to sort out the same.
Tip: In case if you want to revert back to your previous ROM , enter into recovery mode (mentioned above), from the main menu, select Backup and Restore option & on next screen, select restore & choose your latest backup to restore.

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