Older Android phones will no longer be able to see enough secure websites as of September 2021.
You may need to upgrade your Android phone and not upgrade to buy a new one if you want to visit secure pages that use https. According to Android Police, the Let's Encrypt certification company he warned that phones running Android versions before Nougat 7.1.1 will not trust root certificates starting in 2021.
The result will be that they cannot view enough secure websites. The organization will cease on January 11, 2021 default cross-sign for the certificate that enables this functionality and will withdraw its partnership on September 1 of that year.
A temporary solution is available to install Firefox Mozilla είναι συνεργάτης στο Let's Encrypt) χρησιμοποιώντας το δικό του κατάστημα πιστοποιητικών, αλλά αυτό δεν θα βοηθήσει τους υπόλοιπους broswers ή τη λειτουργικότητα πέρα από τα προletterbrowsing.
It is a habit for developers to abandon it support παλαιότερων λειτουργικών συστημάτων. Το Let's Encrypt σημείωσε ότι περίπου το 33,8 τοις εκατό των χρηστών Android στο Google Play διαθέτουν μια έκδοση παλαιότερη από την 7.1 και ορισμένοι suppliers hardware cut their support relatively early.
This means that you may have bought a low-cost phone in 2016 or even 2017 that could suddenly lose access to some sites, and without having a solution.