I have an ATT GS4 I337 which I have been using it on Tmobile Network for a while. To convert it into a fully functional T Mobile phone, I have went through many threads and melted down the steps to what you will see here. It works fo...
1- Copy “Joseph230_V1.0__Fenny_V1.3_STOCK_M919NB4_for_I337NI1.zip” into you phone (internal/external sd-card)
2- Reboot your phone.
3- When on SafeStrap screen, hit recovery to enter into SafeStarp Recovery.
4- Hit “Wipe”. Hit “Advanced Wipe”....
1- Install v3.72 SafeStarp from http://forum.xda-developers.com/showthread.php?p=45693712#post45693712
2- Install “Busybox” from Google Play. Then Run busybox and hit “install” to let the app install required files.
3- Install “SELinux Mode Chan...
1- Copy “I337_NB1toNI1_OTA_Update.zip” into your external sd-card (not internal).
2- Power off your phone.
3- Go to “Stock Recovery”.
4- Select “apply update from external storage“ and then hit power button.
5- use volum rocker to select “I33...
1- Have Samsung USB drivers installed. I personally install Samsung Kies (which installs the required drivers with it). Here is the link to kies: http://www.samsung.com/us/kies/ (I installed 2.6 version)
Note: After installing the KIES, connect ...