If you are affected, the only solution to continue using WhatsApp will be to change smartphones. This situation arises due to a new policy implemented by WhatsApp, which requires users to have a smartphone that runs on either Android or iOS operating systems. These systems support the necessary features for WhatsApp's advanced functions, such as end-to-end encryption and multimedia sharing. WhatsApp, a popular messaging app owned by Meta Platforms Inc., has been gradually phasing out support for older mobile devices that use less common operating systems, such as KaiOS and Tizen. These operating systems are typically found on feature phones, which are basic mobile devices that offer limited functionality compared to modern smartphones. As part of this transition, users on these older devices are being notified that they will no longer be able to use WhatsApp after a certain date. For users who rely on these devices, the change means they will need to switch to a smartphone running Android or iOS to continue using WhatsApp. This may involve purchasing a new device and transferring data, which can be a barrier for some users, particularly those in regions where smartphones are less accessible or affordable. However, WhatsApp has stated that this move is necessary to ensure the security and reliability of its service for all users. This policy update highlights the ongoing shift in the mobile technology landscape, where feature phones are becoming less common and smartphones are becoming the standard. While some users may find this change inconvenient, it reflects broader industry trends toward more advanced and secure mobile platforms. For now, WhatsApp users affected by this change are advised to consider upgrading their devices to maintain access to the service.