Nokia has slashed 10-15 percent off the Lumia 800 and the Lumia 900 smartphones, hoping to boost sales before newer models arrive in markets in November. Nokia has cut the price of the Lumia 800 by around 15 percent and the Lumia 900 by 10 percent in Europe, according to device pricing data compiled by British research firm CCS Insight.

Nokia has already released the Lumia 820 and 920 models, which will only go on sale in November.