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OS is older (Android 7.x); might be limited by software update availability. Could have security / app compatibility concerns over time.

RAM (2 GB) and internal storage (16 GB) are modest; might be limiting if running heavy apps or storing large data / media.

Screen resolution (800×480) is relatively low by modern smartphone standards, which may impact clarity of some graphics, maps, etc.

Battery is non-removable in base configuration (though extended battery packs help); over time battery degradation could be an issue.

IP65 is good, but not submersion rating (i.e. not water-proof). Should not be used in very wet or submerged environments.

Size & weight: somewhat bulky compared to consumer smartphones; might be uncomfortable for long handheld use for some.