How to Update Samsung Galaxy S4 LTE-A GT-I9506 to Android 5.1 Lollipop CM12.1 [ks01lte] Custom ROM [Tutorial]

Androidbiits.com brings an exciting news for Samsung Galaxy S4 LTE-A GT-I9506 users. According to arter97, Android 5.1 Lollipop CM12.1 [ks01lte] Custom ROM is released for Samsung Galaxy S4 GT-I9506. In my previous post, I have posted the tutorial for updating S5 Mini SM-G800F to Lollipop 5.0.2 using CM12 Alpha [LRX22G]. Now the exciting news is that GT-I9506 users can test CM12.1 [ks01lte]. Today, I will write the simple instructions for updating Samsung Galaxy S4 GT-I9506 to Android 5.1 Lollipop via CM12.1 [ks01lte]. This is really an exciting news for GT-I9506 owners who are bored with Lollipop 5.0.2 and eagerly waiting to test Lollipop 5.1 on GT-I9506.

I am expecting that S4 LTE-A GT-I9506 users will be able to install Android 5.1 via CM12.1 [ks01lte] easily without facing any issue after reading the steps written in Androidbiits.com. CM12.1 [ks01lte] requires rooted GT-I9506, so it is essential to root your GT-I9506 before installing CM12.1 [ks01lte]. Another key thing is CWM recovery installation on GT-I9506 before installing CM12.1 [ks01lte]. Oh yes, You can do all these works after unlocking your S4 LTE-A GT-I9506 bootloader.

Androidbiits.com recommends that S4 LTE-A GT-I9506 users must take a backup of their data including videos before installing Android 5.1 via CM12.1 [ks01lte], as there is a chance of data loss from their GT-I9506. If you are waiting for Lollipop 5.1, then you may try CM12.1 [ks01lte] on your GT-I9506. Oh yes, the important thing is that CM12.1 [ks01lte] will let you enjoy Lollipop on GT-I9506. CM12.1 [ks01lte] is available for ROM lovers who are waiting to test Lollipop on GT-I9506.

Below are the step-by-step tutorial using which you can install CM12.1 [ks01lte]. Androidbiits.com will not take any responsibility if GT-I9506 got damaged during the installation of CM12.1 [ks01lte]. GT-I9506 battery level must be more than 94% before following this tutorial.

How to Install Android 5.1 Lollipop CyanogenMod 12.1 [ks01lte] ROM on Samsung Galaxy S4 LTE-A GT-I9506 [Tutorial]

1. It is the time to download CM12.1 for phone.

2. Gapps must be downloaded for GT-I9506.

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 CM12.1 [ks01lte] to phone.

6. It is the time to switch off GT-I9506.

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

8. It is very crucial to put your GT-I9506 into Recovery Mode.

9. It is the time to click “wipe data/factory reset” on GT-I9506.

10. It is the time to click “wipe cache partition” on GT-I9506.

11. It is the time to click “install zip from SD card” for installing CM12.1 [ks01lte] on GT-I9506.

12. It is the time to select CM12.1 on phone.

13. It is the time to install CM12.1 on GT-I9506.

14. It is the time to go to the main menu on phone.

15. It is the time to click “reboot system now” on GT-I9506.

16. It is the time to wait until phone reboots.

After your S4 LTE-A GT-I9506 is rebooted, you can test CM12.1 [ks01lte]. If you are facing difficulty while installing CM12.1 [ks01lte] on GT-I9506, then don’t hesitate to share your issue with Androidbiits.com.

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