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ZTE Nubia Z7, Nubia Z7 Max, Nubia Z7 Mini, Snapdragon 801, 4G+4G Dual Sim
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Fulvian
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 Sep 28 2014, 06:43 PM
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Getting Started
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QUOTE(dinkydong @ Sep 19 2014, 08:20 AM) There can only be one 4G at any one time. Both SIMs supports 4G but when one SIM is running on 4G, the other is on 2G. There isnt any phone at the moment which can operate 2 4Gs simultaneously. So with 2 4G capable SIMs inserted, the secondary SIM only operates on 2G? This is very sad, I was looking for at least 3G+3G or 4G+3G phone, the reason is I'm studying in Japan, and there's no 2G network in Japan (only 3G and 4G) so all my dual SIM phones become useless in Japan (become single SIM). I'm looking for a phone that supports 4G for my Japanese SIM and secondary SIM that operates on 3G for my roaming Malaysian SIM (standby, receive SMS, call, etc.) Is there really no such phone.  |
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Fulvian
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Sep 30 2014, 02:26 PM
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Getting Started
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QUOTE(dinkydong @ Sep 28 2014, 11:53 PM) I'm afraid such a phone isnt available at the moment. I guess most manufacturers choose 2G for 2nd SIM when the first one has an active 3G/4G connection is to reduce battery consumption. In addition, if both SIMs can be connected at 3G/4G, how do u apportion the data connection?? I believe 3G/4G is the network itself, not necessarily includes data connection. Like in 2G you can be connected to only voice/sms network or all (voice/sms/data) if you turn on data. Same goes with 3G. Because in Japan the slowest network is 3G, and 2G doesn't exist, people who don't use data are still connected to the 3G network anyway, just without data. This is what I'm looking for, dual sim phone whose secondary sim falls back to 3G instead of 2G when the primary sim is active. |
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