Improved background limits help the 2,600 mAh battery last longer. samsung.com Custom ROM Options for SM-J200G
This is the biggest downside. The stock Samsung camera app is optimized specifically for the J2’s sensor. Custom Oreo ROMs rely on open-source camera drivers. android oreo for galaxy j2 smj200g better
Disclaimer: The following steps are for advanced users. Modifying your device software carries the risk of bricking your phone and voiding your warranty. Improved background limits help the 2,600 mAh battery
| Feature | Android 5.1.1 (Stock) | Android 8.1 (Custom) | | :--- | :--- | :--- | | | 52 seconds | 39 seconds | | RAM on boot | 450MB used / 550MB free | 380MB used / 620MB free | | Chrome tabs (stable) | 2-3 tabs | 4-5 tabs | | App install speed | Slow (I/O bottlenecks) | Faster (Optimized F2FS) | | Battery life (Screen on) | 4.5 hours | 5.5 hours | Custom Oreo ROMs rely on open-source camera drivers
While third-party developers have created unofficial "Custom ROMs" (like LineageOS) that claim to bring Android 10 or 11 to the J200G, these are not official. Risks of Unofficial Updates