Played by more than 40 million people worldwide, some are concerned the survival game has an addictive nature.
There are concerns the episode will stoke "unreasonable" fears of radiation after the 2011 nuclear disaster.
An 8GB HD movie over the 4G network currently takes about 7 minutes at average speeds, Spark said, while the same movie over the 5G network would be streamed in less than 10 seconds.
The German-born tech mogul asked the Court of Appeal to overturn a decision approving his extradition, but was today turned down.
Bradford spoke about the emotional impact of cyber-bulling in her job, on The Inside Word on TVNZ's Duke channel.