Nokia Mobile started the release of the May 2019 security update for the Nokia 5.1 Plus and Nokia 6.1 Plus. For both devices the changelog mentions just the security patch for May.
The update for Nokia 5.1 Plus is 73MB in size, while the update for Nokia 6.1 Plus is 58MB in size. If your device received the update, do leave a comment down below, especially if you noticed any improvement.
Thanks everyone for the tips. 🙂