DOWNLOAD SAMSUNG GALAXY J1 J100M STOCK FIRMWARE

Note 

Follow the instructions on how to flash the device carefully below 

I will not take responsibility on whatever may happen to your device. 

Flash at your own risk. 

Make sure you are downloading the exact ROM of the device you want to flash because  

 flashing a wrong preloader, will make the device completely dead  

(can't power on, can't charge and will not be detected by a computer) 

SAMSUNG GALAXY J1 J100M STOCK FIRMWARE 

 Android 4.4 KitKat J100MUUBU0AQC1_J100MUANC0AQD1_ANC  J100MVJU0AQD1_J100MZVV0AQE1_ZVV 

To flash or upgrade this device with any of the firmware above, 

Stage 1- Download and install samsung drivers from here 

Stage 2- Download and launch the latest version of odin from here 

Stage 3- Turn off your phone 

Stage 4- Boot phone into download mode by holding vol down + home + power button 

Stage 5- When you see the yellow triangle, press volume up to continue into odin mode 

Stage 6- Now connect the phone to PC using USB cord 

Stage 7- Wait for odin to detect the phone (you will see the COM Port) 

Stage 8- Now click AP in odin interface then select the firmware 

Stage 9- After the firmware is successfully loaded, 

Stage 10- Click Start button 

Stage 11- Wait for process to complete 

Stage 1- When you see PASS in green then the process is complete. 

Stage 12- Wait for the device to reboot 

It’s always good to do a factory reset after doing this process