There is no App lock to lock separate apps like Xiaomi,vivo,etc u can use 3rd party apps or use Secure Folder feature to do so

Try to run Diagnostic tests and if the issue is not solved then try to reach the service center

The Samsung Galaxy Note 20 Ultra 5G should support Jio True 5G if the device firmware and software are updated to the latest version. Here are some steps to troubleshoot:1. Update Software: Ensure the phone's firmware is up-to-date.2. Network Setting...

As of now, there isn’t official confirmation that the Samsung Galaxy S24 Ultra will support dual eSIM functionality specifically in India. While the Galaxy S24 series does support eSIM in general, dual eSIM capability can vary by region based on loca...