How to Update U.S. Cellular Samsung Galaxy S4 SCH-R970 to Android 5.1 Lollipop Unofficial CM12.1 [jflteusc] Custom ROM [Tutorial]

Today, Androidbiits.com will share an awesome news with U.S. Cellular Samsung Galaxy S4 SCH-R970 users. According to AntaresOne, optimized CM12.1 [jflteusc] is released for Samsung Galaxy S4 SCH-R970. Recently, I have published the step-by-step instructions for updating S4 SPH-L720 to Lollipop 5.1 using GamerROM 5 BETA v1.5.5. Now, the awesome news is that SCH-R970 users can use CM12.1 [jflteusc]. I am going post the easy steps for updating SCH-R970 to Android 5.1 Lollipop via CM12.1 [jflteusc]. This is really an awesome news for SCH-R970 users who are not satisfied with KitKat.

I am hoping that S4 SCH-R970 users will be able to install Android 5.1 via CM12.1 [jflteusc] rapidly without experiencing issue after following the step-by-step tutorial given in Androidbiits.com. You will have to root SCH-R970 before installing CM12.1 [jflteusc]. If you have already rooted your SCH-R970, then you can install CM12.1 [jflteusc]. My dear friend, you will also have to install CWM recovery on SCH-R970 before installing CM12.1 [jflteusc]. Oh yes, I forgot to say that U.S. Cellular S4 SCH-R970 users can perform all these tasks after unlocking SCH-R970 bootloader.

Androidbiits.com recommends that S4 SCH-R970 owners must save their documents including songs in a secure place before installing Android 5.1 via CM12.1 [jflteusc], as there is a possibility of losing documents from their SCH-R970. If you are waiting for Lollipop 5.1, then you must test CM12.1 [jflteusc]. My dear friend, the big thing is that CM12.1 [jflteusc] will let you enjoy Lollipop 5.1 on SCH-R970. Oh yes, CM12.1 [jflteusc] is released for ROM lovers who prefer to test new ROM on their SCH-R970.

Below are the steps that will let you install CM12.1 [jflteusc]. Androidbiits will not take responsibility if SCH-R970 got broken during the installation of CM12.1 [jflteusc]. SCH-R970 battery percentage must be more than 99% before following this tutorial.

How to Install Android 5.1 Lollipop Unofficial CyanogenMod 12.1 [jflteusc] on Samsung Galaxy S4 SCH-R970 [Tutorial]

1. It is the time to download optimized CM12.1 [jflteusc] for SCH-R970.

2. Gapps must be downloaded for phone.

3. It is the proper time to activate USB debugging.

4. It is the time to attach phone with desktop.

5. It is the time to send optimized CM12.1 [jflteusc] to phone.

6. It is the time to switch off phone.

7. It is the time to remove the USB cable from phone.

8. It is very crucial to put phone into Recovery Mode.

9. It is the time to click “wipe data/factory reset” on phone.

10. It is the time to click “wipe cache partition” on phone.

11. It is the time to click “install zip from SD card” for installing optimized CM12.1 [jflteusc] on SCH-R970.

12. It is the time to select optimized CM12.1 [jflteusc] on phone.

13. It is the time to install optimized CM12.1 [jflteusc] on phone.

14. It is the time to go to the main menu on SCH-R970.

15. It is the time to tap “reboot system now” on phone.

16. It is the time to wait until device restarts.

After your SCH-R970 is restarted, you can test Android 5.1 via CM12.1 [jflteusc]. If you are having any problem while installing CM12.1 [jflteusc] on SCH-R970, then feel free to share your problem with Androidbiits.com.

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