Well, if you are a CM feature fan then you should definitely install this ROM for it has all the features of CM. If you are a fan of android and you love to stay updated with the latest version then what are you waiting for, just go and grab the ROM from the download link given below at the end of the post.
Note- I haven’t tried it on i337m and ATT GS4, so try this ROM on that on your own risk, but do let me know the result by writing in the comments section below.
#How To Install CM13 ROM In Samsung Galaxy S4:
1. Boot into bootloader.
2. Then Boot into TWRP Recovery.
3. Flash the ROM, and wait.
4. Clear data and clear cache.
5. Reboot.
Download: CM13 ROM based on Android 6.0 Marshmallow For Samsung Galaxy S4.
Note – It may take some time to boot(5-6 mins) so please be patient.
We have heard from some people that the ROM is very speedy, stable and does not have any bugs. So please, do let us know the bugs you encountered or any problem with the ROM by writing in the comments section below.
Congratulations you just flashed CM13 on your device, enjoy with the latest version of Android. Be sure to write your reviews in the comment section below that what do you think about the ROM or any of your experience, encountered problem during flashing, downloading or any such queries related with this post. Thank You.
Problems with USB and WIFI
check this out official cm13 for s4 verizon http://www.gammerson.com/2015/12/download-official-cm13-rom-for-galalaxy-s4.html