Noob trying to go back to Stock (i337m with Rogers)

Hi earlier I try to install this firmware (I337MVLUAMDJ_I337MOYAAMDJ_RWC.zip) but was very buggy. Wi-fi not working, network crashing. I was able to install custom ROM but I had the same problems plus sound not working.

I've downloader this one too. ALL_ATT_I337UCUFNB1_I337ATTFNB1_505595_REV06_user_ low_ship_MULTI_CERT.tar

Should I try it or try another one?

can't install xposed on sgh i337m canada

Hello I have tried to install exposed but I keep getting bricked I have followed a bunch of steps and they all lead to brick. If anyone can help me It would be much appreciated Thank you... I get stuck at Samsung logo.

Problem With microphone on s4 i337M

Hello such 'm new to this forum and I'll be direct , I have a galaxy s4 ( i337M ) and since I change the rom stock to cyanogenmod 13 (using the jfltexx variant) the main microphone has left me working on calls except when active speaker , I tested more than 5 customized ROMs and even return to stock , but now the fault is equally in any ROM . !!!!!!! please someone help me !!!!!!!:( :( :rolleyes: :(


Another thing , when I record audio on whatsapp it is captured in the secondary microphone rather than recorded in the main microphone anyone know why ?