Sony Xperia 5 III in Japan

The phone Sony Xperia 5 III is compatible with the following 5G networks in Japan:

Operator	Compatibility Score	Details
au	75 %	The Xperia 5 III is compatible to three 5G bands of au 5G network in Japan. However, there is still one incompatible band for this phone. Even though, you should be able to use 5G normally at most places.
NTT Docomo	33 %	The Xperia 5 III is compatible to one 5G band of NTT Docomo 5G network in Japan. However, there are still two incompatible bands for this phone. 5G may not work everywhere as expected.
Rakuten	50 %	The Xperia 5 III is compatible to one 5G band of Rakuten 5G network in Japan. However, there is still one incompatible band for this phone. 5G should work at most places, whilst the bandwidth and coverage can be limited.
Softbank	50 %	The Xperia 5 III is compatible to one 5G band of Softbank 5G network in Japan. However, there is still one incompatible band for this phone. 5G should work at most places, whilst the bandwidth and coverage can be limited.

Although this information has been researched with the utmost care, it is provided without any warranty.

IMPORTANT: This data is valid for the Sony Xperia 5 III bought in .
If you bought the phone in a different country, please change it in the dropdown-menu.

Is the Xperia 5 III compatible to au 5G?

The 5G network of au in Japan is using four bands in total. From these, the Xperia 5 III can use only three.
Among these frequency bands, mmWave bands are not understood by the Xperia 5 III . Thus, you may never experience download speeds faster than 1 Gbps on this network, even though the au 5G network is capable of delivering even higher speeds at certain locations. The lack of mmWave bands should be no issue in usual everydays situations. However, it might turn into a problem when visiting large events in stadiums or other overcrowded areas in metropolitan cities.

Is the Xperia 5 III compatible to NTT Docomo 5G?

The 5G network of NTT Docomo in Japan is using three bands in total. From these, the Xperia 5 III can use only one.
Among these frequency bands, mmWave bands are not understood by the Xperia 5 III . Thus, you may never experience download speeds faster than 1 Gbps on this network, even though the NTT Docomo 5G network is capable of delivering even higher speeds at certain locations. The lack of mmWave bands should be no issue in usual everydays situations. However, it might turn into a problem when visiting large events in stadiums or other overcrowded areas in metropolitan cities.

Is the Xperia 5 III compatible to Rakuten 5G?

The 5G network of Rakuten in Japan is using two bands in total. From these, the Xperia 5 III can use only one.
Among these frequency bands, mmWave bands are not understood by the Xperia 5 III . Thus, you may never experience download speeds faster than 1 Gbps on this network, even though the Rakuten 5G network is capable of delivering even higher speeds at certain locations. The lack of mmWave bands should be no issue in usual everydays situations. However, it might turn into a problem when visiting large events in stadiums or other overcrowded areas in metropolitan cities.

Is the Xperia 5 III compatible to Softbank 5G?

The 5G network of Softbank in Japan is using two bands in total. From these, the Xperia 5 III can use only one.
Among these frequency bands, mmWave bands are not understood by the Xperia 5 III . Thus, you may never experience download speeds faster than 1 Gbps on this network, even though the Softbank 5G network is capable of delivering even higher speeds at certain locations. The lack of mmWave bands should be no issue in usual everydays situations. However, it might turn into a problem when visiting large events in stadiums or other overcrowded areas in metropolitan cities.

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