Official firmware files can be downloaded from reputable databases by searching for the model number :
: Provides a comprehensive list of firmware by country/carrier. Official firmware files can be downloaded from reputable
: A widely distributed version with an August 2017 security patch. Official firmware files can be downloaded from reputable
: Power off the device, then press and hold Volume Down + Home + Power until a warning screen appears, then press Volume Up . Official firmware files can be downloaded from reputable
The official flash file (stock ROM) for the Samsung Galaxy J1 Ace (SM-J110H)
: Download and install the Samsung USB Drivers on your PC.
: Open Odin and load the firmware files into their respective slots: BL : Bootloader file AP : System/System partition file CP : Modem/Radio file CSC : Region-specific customization file.