1. Animesh Kumar Das's Avatar
    i buy lumia 640 dual sim in india, i want to know onw thing , when i put my vodafone sim in sim 1 is its catch 3g signal, but when i put it in sim2 it only cathes 2g signals. i choose connection speed as 3g. Is only sim1 slot support 3G in lumia 640??????
    10-24-2015 10:54 AM

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