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HERE
You can Download any Mobile Original(OG) Firmware/Stock Rom.
&
Its free
 So Download your mobile Firmware From Here...

Samsung SM-G530FZ

Network     Technology     GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE

SIM     Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Display-TFT  touchscreen,

Size-5.0 inches
Resolution-540 x 960 pixels

Multi touch- Yes)S

OS- Google Android OS, v4.4.4 (KitKat),to v5.0.2/v5.1.1 (Lollipop)

Chip set - Qualcomm MSM8916 (Snapdragon 410)
CPU - Quad-core-1.2GHz
Memory-Card slot- m SD,  to 64 GB.

Internal-8 GB, 1 GB RAM
Camera P 8 MP, LED flash,
S camera-5 MP, f/2.2, 1080p

Loudspeaker- Yes
3.5mm jack-Yes

WLAN -Wi-Fi . Wi-Fi Direct, hotspot
Bluetooth -v4.0,

USB-m USB v2.0

Battery- Removable Li-Ion 2600 mAh battery

Samsung SM-G530FZ Stock Rom....

Samsung Galaxy Grand Prime 4.4.4  firmware

 Samsung  stock rom download files flash by odin only ..so 1st download odin flasher for samsung...then flash it via odin.

 Download link attached below

 DOWNLOAD

                                                  &  

                             See How to Flash your Phone

                See full Details how about to flash click here