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.
2. Remove the subscriber identity module (SIM) card from your cell phone. The SIM card often stores phone numbers from your address book and text messages. Your cell phone will contain a SIM card if you use a wireless carrier with Global System for Mobile Communications (GSM) technology, such as T-Mobile or AT&T.3. Delete all text and picture messages from your messaging folder.our cell phone will contain a SIM card if you use a wireless carrier with Global System for Mobile Communications (GSM) technology, such as T-Mobile or AT&T. 3. Delete all text and picture messages from your messaging folder.