ODIN is the tool to flash stock rom on Samsung Galaxy S7 and Galaxy S7 Edge smartphone. In case your phone isn’t working fine. Its lagging like hell. Or its stuck on the Samsung logo. That’s the time to either hard reset Samsung Galaxy S7 or Galaxy S7 edge, in case hard reset also fails.
You need to flash stock rom on your Samsung Galaxy S7 or Galaxy S7 Edge. Stock ROM’s download size is usually 2 GB for latest Samsung Galaxy S7 or Galaxy S7 Edge smartphone.