Search for "LineageOS 15.1 SM-J200G XDA" if you want to proceed. Always read the last 10 pages of the forum thread to see if the download links still work. And remember—back up your IMEI before you do anything else.
Thanks to the dedication of independent developers (primarily on XDA Developers Forums), the Galaxy J2 SM-J200G has seen several unofficial ports of Android Oreo. These are custom ROMs built from the Android Open Source Project (AOSP) or LineageOS. android oreo for galaxy j2 sm-j200g
Before attempting to install an Oreo-based ROM, you need a specific environment: An unlocked bootloader. TWRP Recovery (Team Win Recovery Project) installed. A full backup of your existing data. A battery charge of at least 60%. Why Android Oreo Go Edition? Search for "LineageOS 15
, that firmware is not compatible with the older SM-J200G hardware. samsung.com ⚠️ Important Compatibility Warning TWRP Recovery (Team Win Recovery Project) installed
