The iPhone is as popular in the nearly 150 million people market of the Russian Federation as it is elsewhere. However, unlike in the United States, Western Europe and in most other developed countries, Russian customers are expected to pay through their nose to get their hands on the sought-after device.
If you ask carriers, Apple's arrogance in dealing with its Russian wireless partners is behind the company's relatively low penetration in that market. This of course creates a sizable opportunity for Android cheapos. If I were Tim Cook, I would book a flight to Moscow to discuss lowering shipment commitments in exchange for a more flexible pricing scheme lest I lose their support...