This appears to refer to creating or understanding a for an MT6589 Android device, with eMMC storage, possibly using a tool like txtnnlin (likely a typo or custom tool name) and wanting a new or clean scatter layout.
The combination represents a developer-modified partition layout for MediaTek’s legacy quad-core SoC. While standard scatter files are well-documented, the NNLIN partition is a non-standard, device-specific, or ROM-specific addition whose exact purpose must be verified from the firmware source. The "new" label typically indicates repartitioning for larger system images and custom Android builds. mt6589 android scatter emmctxtnnlin new
If your phone won't boot, SP Flash Tool and a valid scatter file are often your last line of defense. This appears to refer to creating or understanding