MMD Research Institute released "March 2020 Cheap SIM / Cheap Smartphone Communication Speed Survey". The survey period is three days on weekdays from February 4 to February 6. Measured at three major stations in the three major cities of Tokyo, Osaka and Nagoya, one at each station, 9: 00-10: 00, 12: 00-13: 00, and 17: 00-18: 00.
The surveyed services are as follows.
・ Y! Mobile
・ Rakuten Mobile (MVNO, not a new mobile carrier)
・ UQ mobile
・ OCN Mobile ONE
・ BIGLOBE Mobile
・ Aeon Mobile
・ LINE Mobile
The download speed was 39.2Mbps for UQ mobile, 35Mbps for Y! Mobile, 28.1Mbps for Aeon Mobile (docomo line), and 20.6Mbps for OCN Mobile ONE.
On the other hand, LINE mobile and Rakuten mobile (docomo line) resulted in low speed. The box plot that visualizes the actual state of the communication speed of each bargain SIM in consideration of the variation in data such as the minimum value, maximum value, and central location is as follows.
Detailed measurement data is as follows.
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