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.
A SIM PIN is a password that allows an administrator user of a phone to access information on his SIM card. The password is usually between four and eight digits. These PINs act like ATM PINs in that they require a user to authenticate himself as the true owner of the card before information is released.