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.
Other information contained in a SIM card is the IMSI or International Mobile Subscriber Identity, Local Area Identity or LAI, ICCID and etc. A cell phone or mobile device can only be used once it is inserted with the SIM card.The important factor to be taken account is that the SIM card is only functional once it is inserted into the mobile device.However, once activated SIM is the conduit for tracking as it will emit the IMEI number of your mobile device as well as the SIMâs serial number to a nearby cell tower.he important factor to be taken account is that the SIM card is only functional once it is inserted into the mobile device. However, once activated SIM is the conduit for tracking as it will emit the IMEI number of your mobile device as well as the SIMâs serial number to a nearby cell tower.