Happy to announce that we've added a device model number menu in members profiles. This will make troubleshooting much easier since there are so many different Galaxy S4 models. To add your device in your profile simply, click on the Settings link on the top right of any forum page and click on Edit Profile in the left panel. Once you've selected the appropriate model click on save changes button on the bottom right of the page.
Once added, you'll see the model number in the postbit area:
If you're unsure which model Galaxy S4 you own, simply open up settings on your phone, click on the More tab and click on About phone:
You can also check device model number here - Samsung Galaxy S4 - Wikipedia, the free encyclopedia
If you scroll down to the middle of the page, you'll see a Model Variants chart.
We ask every member to add their device model number in their profiles to make it easier for us to help you!