In order to find out whether your mobile phone will be affected, please power on your phone and look at the display. In the top left corner there should be a bar displayed with the name of the network, "Sunrise". If there are NO letters or numbers next to the bar (e.g., 3G or 4G), your mobile will be affected and should be upgraded. The same applies when "E" (= EDGE) or "G" (= GPRS) appears next to the bar.
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