4G will only be accessible to those with phones like iPhone 5 and Samsung Galaxy SIII LTE.
Until today Britain has used 2G and 3G networks to connect phones and tablets to the internet on the go. 4G allows users to download more quickly with promised speeds 5-7 times faster than today's 3G by 2014.
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Former Police Inspector Harry White told the inquests that he was told that fans entering the terraces should "find their own level."
A former police inspector has told the inquests he realised fans entering through an exit gate would head towards already crowded pens.