actually not allow to post.  haha..just i can confirm is 4G or not.

It's cloud my judgement just now whether to wait LTE or just buy.
For long consideration, i just take this non LTE. I cant wait for device that already in front of my eyes.

IR only in Japan units

IR only in Japan units

Then suggest u get from DOCOMO and from reputable dealers like cth247 or Kyoex . Price wise , more expensive then others but their warranty covered , even I go 

Natural Disaster is covered under the warranty 

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Can , make sure it's docomo unlocked , not software unlocked as some dealers there are doing . As for updates , u need a docomo sim to update so u need 2 send your phone back to Japan to update it . That's the most troublesome part . And Docomo phones quite a number of bloatwares , something we cant use since we r not on Docomo sim . Unless u root it , u cant remove it but then again , root is already out for Xperia ZU