Flash/unbrick or upgrade your device with the firmwares below using odinLearn how to use odin from here
Samsung Galaxy A3 SM-A300M Stock Firmware
To flash or upgrade your Galaxy SM-A300M with any of this firmware,
- Download and install samsung drivers
- Download and launch odin
- Turn off your phone
- Boot phone into download mode by holding vol down + home + power button
- When you see the yellow triangle, press volume up to continue into odin mode
- Now connect the phone to PC using USB cord
- Wait for odin to detect the phone (you will see the COM Port)
- Now click AP in odin interface then select the firmware
- After the firmware is successfully loaded,
- Click Start button
- Wait for process to complete
- When you see PASS in green then the process is complete.
- Wait for the device to reboot
Its always good to do a factory reset after doing this process
For a more detail process on how to flash or upgrade Samsung devices, click
here
For other Samsung firmwares, click here
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