Samsung Galaxy S21 FE in Japan

The phone Samsung Galaxy S21 FE is compatible with the following 5G networks in Japan:
Operator Compatibility Score Details
au 50 % The Galaxy S21 FE is compatible to two 5G bands of au 5G network in Japan. However, there are still two incompatible bands for this phone. 5G should work at most places, whilst the bandwidth and coverage can be limited.
NTT Docomo 66 % The Galaxy S21 FE is compatible to two 5G bands of NTT Docomo 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.
Rakuten 0 % The Galaxy S21 FE cannot use the Rakuten 5G network in Japan. You may need a different phone to use this network or need to buy it in another country.
Softbank 0 % The Galaxy S21 FE cannot use the Softbank 5G network in Japan. You may need a different phone to use this network or need to buy it in another country.

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

Is the Galaxy S21 FE compatible to au 5G?

The 5G network of au in Japan is using four bands in total. From these, the Galaxy S21 FE can use only two.
Among these frequency bands, mmWave bands are not understood by the Galaxy S21 FE . 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 Galaxy S21 FE compatible to NTT Docomo 5G?

The 5G network of NTT Docomo in Japan is using three bands in total. From these, the Galaxy S21 FE can use only two.
Among these frequency bands, mmWave bands are not understood by the Galaxy S21 FE . 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 Galaxy S21 FE compatible to Rakuten 5G?

The 5G network of Rakuten in Japan is using two bands in total. From these, the Galaxy S21 FE can use none of them.
Thus, the phone is not compatible to the Rakuten 5G network! Since some phone manufacturer offer different phone versions for different market areas, you might be able to use the Galaxy S21 FE on this network, if bought in a different country. To check, please change the country in the drop-down menu on the top of this page.

Is the Galaxy S21 FE compatible to Softbank 5G?

The 5G network of Softbank in Japan is using two bands in total. From these, the Galaxy S21 FE can use none of them.
Thus, the phone is not compatible to the Softbank 5G network! Since some phone manufacturer offer different phone versions for different market areas, you might be able to use the Galaxy S21 FE on this network, if bought in a different country. To check, please change the country in the drop-down menu on the top of this page.


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