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I have an iphone 4 bought in India (factory unlocked model A1332). Why it does not work in Japan. The service provider (NTT DOCOMO) has told that it should be WCDMA compatible?

I have an iphone 4 bought in India (factory unlocked model A1332). International roaming is activated. After enabling 3G also it does not get services from NTT DOCOMO. Why it does not work in Japan. The service provider (NTT DOCOMO) has told that it should be WCDMA compatible?

iPhone 4, iOS 6.0.1

Posted on Apr 27, 2013 6:44 PM

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Posted on Apr 28, 2013 5:03 AM

iPhone 4S specs for the 4S sold officially in India.


  • UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
    GSM/EDGE (850, 900, 1800, 1900 MHz)
  • CDMA EV-DO Rev. A (800, 1900 MHz)3


CDMA available only if iPhone 4S is sold and activated for use on a CDMA network.



The iPhone 4 specs for the 4 sold officially in India.


GSM : 850/900/1800/1900 MHz HSDPA : 850/900/1900/2100 MHz.


The only CDMA iPhone 4 was sold in the U.S. and CDMA phones are not sold as unlocked.

4 replies
Question marked as Best reply

Apr 28, 2013 5:03 AM in response to amitt83

iPhone 4S specs for the 4S sold officially in India.


  • UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
    GSM/EDGE (850, 900, 1800, 1900 MHz)
  • CDMA EV-DO Rev. A (800, 1900 MHz)3


CDMA available only if iPhone 4S is sold and activated for use on a CDMA network.



The iPhone 4 specs for the 4 sold officially in India.


GSM : 850/900/1800/1900 MHz HSDPA : 850/900/1900/2100 MHz.


The only CDMA iPhone 4 was sold in the U.S. and CDMA phones are not sold as unlocked.

I have an iphone 4 bought in India (factory unlocked model A1332). Why it does not work in Japan. The service provider (NTT DOCOMO) has told that it should be WCDMA compatible?

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