Outside of Googles Pixel phones , information technology isnt every daylight that you see a two and half year old Android smartphone get the latest major software program update , so this be big news show . But when the smartphone in question was the instant top sell smartphone in the world in 2020 , then it is even bigger news . What be also more concern is that it is a discontinued motorcar ; it be no longer in production . But atomic number 85 least , it be getting all the computer software love it keister . Released in December 2019 with One UI 2.0 , base on mechanical man 10 , Samsung Galaxy A51 have already been updated to One UI 3.1 based on Android 11 . And now in adjoin 2022 , One UI 4.1 based on humanoid 12 is today rolling out to this super successful , best selling Samsung smartphone . spec of Samsung A51 include vitamin A 6.5 extremely AMOLED display with corn Gorilla Glass 3 , Exynos 9611 processor , 48MP camera , 4000mAh battery , and 15W firm charging . Its successor is the popularGalaxy A52 ; popular , yes , merely which hasnt sell as much as the A51 . The Galaxy A51s records stay intact . Speaking of the records , harmonise to analytics firm , Omdia , a total of 23.2 jillion units of the A51 were ship in 2020 . This made information technology not just the serious selling Samsung smartphone that year , but the best selling mechanical man phone . information technology be second only to the iPhone 11 which shipped 64.8 one thousand thousand units indium the Lapp year . information technology be respectable to see Samsung Mobiles dedication to render semipermanent software support to its smartphones . The Android phone world needs this kind of commitment . It is a good stimulant for competition and leave hopefully get other manufacturers to sit up . If you own a Samsung A51 , your phone comprise getting a fresh lease of life . Go beforehand and discover out if Android XII personify hitting your train however . Dont forget that the software rollout is staged and so may not reflect even , but it will bugger off to you finally .