Nokia 6220 classic Smartphone "wikimedia common" Questions

...them), it reads 2D Barcodes which are shown as a square made up of a cluster of dots http://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/WikiQRCode.png/120px-WikiQRCode.png is an example of the ...

...this data on the back of the card of which you detach your SIM card (looks like this: http://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/T-Mobile_SIM_card.jpg/800px-T-Mobile_SIM_card.jpg). ...