Have you managed to buy S4 SGH-I337M? Androidbiits brings a great news for S4 SGH-I337M owners. I337MUMUFNI2 Android 4.4.2 UMUFNI2 has been released for Samsung Galaxy S4 SGH-I337M. Big question is how to install I337MUMUFNI2? Dear reader, I am here to help you in updating S4 SGH-I337M to Android 4.4.2 UMUFNI2. Previously, I have posted the tutorial for updating Samsung Galaxy S4 SGH-I337M to Android 4.4.2 I337MVLUFNI2. Now I am going to publish the tutorial to update Samsung Galaxy S4 SGH-I337M to Android 4.4.2 UMUFNI2. If you are an owner of S4 SGH-I337M, then you can install I337MUMUFNI2. Continue reading →