SM-G9287 need help....

hi guys, i have S6 edge+ SM-G9287 with a troubleshoot like freeze 3 secs very often,
this is my software info :

Android version : 6.0.1

Baseband version : G9287ZHU2BPH2

Kernel version :
3.10.61-8926938
dpi@SWDD6812#1
Fri Aug 5 20 :06:46

Build number : MMB29K.G9287ZHU2BPH2

SE for Android status :
Enforcing
SEPF_SECMOBILE_6.0.1_0020

anyone can help me ?
or anyone know where i can find my firmware..?

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