I have the version with dual SIM for 3 months in use. Although our employer also an SMP provides, I use the Nokia 301 now as a main phone, mind you also for business. I call therefore to 99%. There is very convenient and also very good. All other gadgets I have on my SMP. When phoning in the correct network that Srpachqualität leg 301 with HD-voice is very good, otherwise dull. The battery lasts 4-5 days. Since I'm charging him every few days in the car, the maturity is also ok for me all sostigen functions can be assessed as mediocre, now based on time outdated software, therefore no comparison to Windows Phone, Android or IOS. If the price on