Is M51 a Stock Android?

Samsung Galaxy M51 Stock Android 10 One UI 2.1 Official Stable Firmware Flash.

Is it worth buying Samsung M51?

Samsung Galaxy M51 Review: Display

The Galaxy M51 has a 6.7-inch FHD+ Super AMOLED Plus Infinity-O Display. Samsung says its new Super AMOLED Plus displays have been specially developed for such big battery phones and are thinner, lighter, and more energy-efficient compared to existing AMOLEDs.

Can you flash stock Android on any phone?

Google’s Pixel devices are the best pure Android phones. But you can get that stock Android experience on any phone, without rooting. Essentially, you will have to download a stock Android launcher and a few apps that give you the vanilla Android flavor.