NSDSWebApp is an application that is pre-installed on Samsung devices but is actually developed by Ericsson. Its main purpose is to facilitate and maintain phone calls over Wi-Fi. While it is recommended not to uninstall or block the app, your Android device will continue to function even if you do. The app is small, only taking up a little over 1 MB of memory, and only uses resources during Wi-Fi calls made through apps like Skype, Whatsapp, Telegram, or Wechat.
If you find that NSDSWebApp is draining your battery excessively, especially when not making VOIP calls, you may consider uninstalling and then reinstalling it. If the issue persists, it could be due to compatibility issues with other apps. Overall, NSDSWebApp is a system app that runs in the background during Wi-Fi calls and should not be tampered with unless necessary, as it is essential for a smooth calling experience.
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