Connect your J1 to the PC. The ID:COM box in Odin should turn blue or yellow, indicating a successful connection.
A single-file firmware (HOME.tar) cannot fix damaged bootloaders or modem partitions. The 4File package allows you to selectively flash (e.g., reflash only the modem without wiping data). samsung j100f flash file 4file
box in Odin should turn blue or yellow, indicating it is "Added". Load the Files: Connect your J1 to the PC
A flash file (or firmware) is the operating system software that runs your phone. The designation refers to a package containing four distinct binary files, each responsible for a different hardware component. samsung j100f flash file 4file