The advantages of QR codes are first reflected in their storage capacity. Compared to traditional one-dimensional barcodes, ...

In other words, in a QR code, data is represented by the uncolored parts below. Mask pattern The three cells surrounded by the orange line in the formatting information show a 'mask pattern'.

Some versions of QR have additional patterns for alignment and timing bars that provide alternating bits. As you might expect, other areas encode the format and error-correcting codes.

WhatsApp today announced a new and quicker to transfer chat from your old phone to the new phone through a QR-code-based method.