This makes the browser display a login prompt, but it doesnât display any other text thatâs in the response. (It only displays that response text if the user clicks âCancelâ.) When the user enters some credentials, the browser resubmits the same request to the same URL, plus it also adds this extra header: Authorization: Basic username:password. Note that the username:password bit is actually Base-64 encoded.
Sim card hold contacts, so pretty much everything will remain on your phone besides your contacs and your MEID which is your phone number.
The SIM card is a memory circuit in your cell phone that carries necessary information back and forth to your network, and it also contains some of your personal data. While the information that your service provider needs is not changeable or removable, you can control some aspects of your personal information.ne way you can protect your SIM card in case of loss or theft is to contact your service provider and ask them to lock the SIM card. This simple step prevents anyone from reading your SIM card or using it in another phone. Keep in mind that this step does not lock your phone.