Motorola Krzr, known as the "Canary" before its release, is a series of clamshell/flip mobile phones by Motorola, and was one of the series in the 4LTR line. It consisted of the K1 (2006) followed by the K3 (2007). As a clamshell/flip phone, the Krzr is longer but narrower than the Motorola Razr V3.

The Motorola Razr is a brand of design-oriented mobile phones manufactured by Motorola Mobility, a division of Lenovo. Its current iteration since 2019, styled motorola razr, consist of foldable smartphones reminiscent of the original Razr line of flip phones.