Some versions featured Motorola's MotoMagx operational platform, based on the MontaVista Linux OS.

[1] The phone improved picture quality, speed, and multimedia capabilities over the original Razr.

[3] Because Motorola relied so long upon the Razr and its derivatives[4][5] and was slow to develop new products in the growing market for feature-rich touchscreen and 3G phones,[6] the Razr appeal declined, leading Motorola to eventually drop behind Samsung and LG in market share for mobile phones.

[7] Motorola's strategy of grabbing market share by selling tens of millions of low-cost Razrs cut into margins and resulted in heavy losses in the cellular division.

In November 2019, Motorola Mobility revived the Razr again as a foldable smartphone (flip phones), which is styled after the clamshell form factor of the original models.

Its camera, battery life, weak build quality, and price were criticized, while the design and software were praised.

PC Magazine summed it up: "Motorola [Mobility]'s gorgeous folding Razr doesn't deliver the performance you expect from a $1,500 phone".

[18] The Verge wrote harshly: "I wish I could tell you exactly where I think the Motorola Razr went wrong, but there are too many options to choose from".