Dr. Miles
Expert
Japans teleoperatör, NTT DoCoMo erbjuder gratis data SIM kort till icke japansk resenär fr o m okt 2017.
Det finns olika prisplan men det som inte kostar något (Plan 0) finansieras genom reklam.
Hastigheten av Plan 0 är max 128 kbps (dock obegränsad datamängd) därför passar den mest för textbaserade chatappar.
(Foto: NTT DoCoMo Press release)
Källa: Press Releases : DOCOMO to Launch Prepaid SIM Service for Foreign Visitors to Japan Advertising to allow users to access the DOCOMO network for free | News & Notices | NTT DOCOMO
Det finns olika prisplan men det som inte kostar något (Plan 0) finansieras genom reklam.
Hastigheten av Plan 0 är max 128 kbps (dock obegränsad datamängd) därför passar den mest för textbaserade chatappar.

(Foto: NTT DoCoMo Press release)
DoCoMo skrev:June 26, 2017
DOCOMO to Launch Prepaid SIM Service for Foreign Visitors to Japan
Advertising to allow users to access the DOCOMO network for free
Products & Services
TOKYO, JAPAN, June 26, 2017 --- NTT DOCOMO, INC., will launch a new prepaid SIM service called 'Japan Welcome SIM TM' that will allow foreign travelers to access the Internet through the DOCOMO network during their stay in Japan, starting July 1st, 2017. Travelers can apply for the service online via a dedicated website prior to leaving their home country and retrieve the SIM card from a location such as Narita, Haneda or Kansai International airport upon arrival in Japan. The SIM card, available in regular, micro and nano formats, provides users with access to DOCOMO's network for 15 days and is compatible with smartphones and tablets without the need for APN settings.
DOCOMO will be offering three 15-day plans as part of this service, including Plan Zero, Plan 1000 and Plan 1700. Plan Zero (available from Oct. 2017) will allow users to access the Internet for free at 128 Kbps in exchange for viewing a certain number of video advertisements and filling out a survey prior to arriving in Japan. At ¥1000, Plan 1000 will give users ad-free access at 128 Kbps, while paying a further ¥700 for Plan 1700 will provide increased download speeds (up to 682 Mbps) for the first 500 MB used.
Users can continue to enjoy high-speed access by recharging their SIMs for an additional ¥200/100 MB or ¥700/500 MB (prices excluding tax). Alternatively, users can recharge their SIMs for free through a variety of methods such as watching video advertisements and filling in surveys.
Källa: Press Releases : DOCOMO to Launch Prepaid SIM Service for Foreign Visitors to Japan Advertising to allow users to access the DOCOMO network for free | News & Notices | NTT DOCOMO