According to XDA member drakonizer, Android 6.0.1 Marshmallow CyanogenMod 13 [CM13] unofficial ROM is available for International Sony Xperia Z1 C6903. The amazingness of CM13 [UBER-CM] can now be experienced on International Z1 C6903 [honami]. Androidbiits.com has recently posted the step-by-step tutorial for installing Marshmallow 6.0.1 CM13 on Sony Xperia Z1 C6902 L39h. The outstanding news is that International Z1 C6903 owners can now install Android 6.0.1 Marshmallow CM13 [UBER-CM] on C6903. Isn’t it splendid? Androidbiits.com will post the steps to install Android 6.0.1 Marshmallow CM13 on International Sony Xperia Z1 C6903 [honami]. Oh yes, you may face issue on International Z1 C6903 as CM13 is an unofficial build.

It is expected that International Z1 C6903 owners will be able to install Marshmallow 6.0.1 CyanogenMod 13 [CM13] on C6903 practically without having difficulty after reading the tutorial written in Androidbiits.com. CM13 [UBER-CM] requires rooted International Z1 C6903, so it is essential to root International Z1 C6903 before installing CyanogenMod 13 [UBER-CM] on C6903. If you haven’t rooted C6903, then you must root it to enjoy the amazingness of CM13 [UBER-CM]. Dear C6903 owner, it is essential to install TWRP on International Z1 C6903 [honami] to taste CM13 [UBER-CM]. Oh yes, the users of C6903 can install CM13 only after unlocking C6903 bootloader.

If you aren’t happy with old firmware, then you must install Marshmallow 6.0.1 CM13 on International Z1 C6903. The glorious thing is that CM13 [UBER-CM] will let you enjoy Marshmallow 6.0.1 on C6903. Androidbiits.com recommends that International Z1 C6903 owners must take a backup of their private documents securely before installing CyanogenMod 13 [UBER-CM] as there is a possibility of data loss from C6903.

Below are the steps using which you can install Marshmallow 6.0.1 CM13 on C6903. Androidbiits.com won’t take responsibility if C6903 got harmed during the installation of CM13 [UBER-CM]. International Z1 C6903 battery must be above 95 percentage before following this tutorial.

How to Install Android 6.0.1 Marshmallow CM13 Unofficial ROM on International Sony Xperia Z1 C6903 [Simple Steps]

1. It is essential to download Android 6.0.1 Marshmallow CM13 [honami] ROM and GApps for International Sony Xperia Z1 C6903 on your desktop.

2. It is the time to activate USB debugging and attach C6903 with desktop.

3. It is essential to transfer CM13 to Z1 C6903.

4. It is the time to power off C6903 and remove the USB cable.

5. It is essential to put International Sony Xperia Z1 C6903 into Recovery Mode.

6. It is essential to tap “wipe data/factory reset” on C6903.

7. It is the time to tap “wipe cache partition” on C6903.

8. It is essential to click “install zip from SD card” on C6903.

9. It is the time to choose CM13 on your Z1 C6903.

10. It is essential to install CM13 on International Sony Xperia Z1 C6903.

11. It is the time to go to the main menu on Z1 C6903 and click “reboot system now” option.

12. It is essential to wait until C6903 restarts.

13. You can install GApps 6.0 on International Sony Xperia Z1 C6903 using the above steps.

After your International Z1 C6903 is rebooted, you can taste Android 6.0.1 Marshmallow CM13 [UBER-CM] on C6903. Isn’t it glorious? If you are facing issue during the installation of CM13 [UBER-CM] on International Z1 C6903, then don’t hesitate to share your issue with Androidbiits.com.