Stock ROM are the ones which come by default in Android phones or tablets. These are customized versions of Android done by mobile companies to make their devices unique in looks and features with official firmware.
Official Samsung Galaxy J4 SM-J400F Stock Rom Firmware Full Service EEPROM PIT, AP, CP, BL, CSC, HOME , MODEM ( FACTORY FIRMWARE ) for Odin3 Flash Files tools Used for : Unbrick Samsung Galaxy J4 SM-J400F Updates Samsung Galaxy J4 SM-J400F Downgrade Samsung Galaxy J4 SM-J400F Unroot Samsung Galaxy J4 SM-J400F Restore Samsung Galaxy J4 SM-J400F to 100 %…