Oreo introduced features that the J2 never had out of the box:
To make your J2 "better" with Oreo, you typically need to follow this path:
A: To install a full custom ROM like Oreo, yes, you generally need an unlocked bootloader and a custom recovery. Just rooting the stock firmware will not give you Android Oreo.
While newer variants like the ship with Android 8.1 Oreo (Go edition), the older SM-J200G hardware is not officially compatible with these newer operating systems. Technical Limitations & Risks
Android Oreo For Galaxy J2 Smj200g Better -
Oreo introduced features that the J2 never had out of the box:
To make your J2 "better" with Oreo, you typically need to follow this path: android oreo for galaxy j2 smj200g better
A: To install a full custom ROM like Oreo, yes, you generally need an unlocked bootloader and a custom recovery. Just rooting the stock firmware will not give you Android Oreo. Oreo introduced features that the J2 never had
While newer variants like the ship with Android 8.1 Oreo (Go edition), the older SM-J200G hardware is not officially compatible with these newer operating systems. Technical Limitations & Risks android oreo for galaxy j2 smj200g better