Rakuten's Rakuten Mini, which can only be used, is a drawback that the communication carriers that can be used are limited.However, in countries other than Japan, the number of carriers that issue ESIMs is increasing, and some careers can purchase prepaid SIMs with ESIM.Some of them offer "ESIMs for Japan" that can be used in Japan, even though they are overseas MVNO carriers, and "global ESIM" for the world.In other words, just because you use a smartphone in Japan does not have to buy a Japanese career SIM.
Of course, Japanese careers will be cheaper.If you look on the Internet, for example, among the costs for each country in Airalo, the "MOSHI MOSHI" plan for Japan is $ 14 (about 1500 yen) for 3GB only for 30 days.The majority of Japanese MVNOs are less than 1000 yen.However, since this plan is a prepaid, there is no contract tie, and there is also the merit that you can purchase it online and use it immediately because it is ESIM.
Rakuten mini can use such overseas ESIMs.This time, I actually purchased ESIM of Hong Kong Career "THREE (3HK)" in Hong Kong where I lived from Rakuten Mini.
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Considering reading the QR code from Rakuten Mini later, it is better to go from a PC or other smartphone.The 3HK also sells Asia, Europe and America, which includes Japan, and can be used in Japan (138 Hong Kong dollars, about 1900 yen for 10 days, but there is a speed limit).
This time, I bought ESIM for Hong Kong to use it in Hong Kong.There are various rates plans, but we select 7 -day data for 68 Hong Kong dollars (about 900 yen) for 7 days (4GB and later speed limit).The purchase could be purchased with the instructions on the screen, and it could be purchased with a Japanese credit card.
When the purchase is completed, the QR code will be sent by e -mail, so it will be available by reading with a Rakuten mini camera.
The method of introducing ESIM in Rakuten Mini is no different from the introduction of IIJ in Japan, such as ESIM.If you want to use it overseas, connect Rakuten Mini to Wi-Fi at a hotel or the like, and keep ESIM via the Internet.After that, proceed with "Settings" → "Network and Internet" → "Detailed Settings" → "Mobile Phone Company".The settings are first because there is no ESIM settings or contracts in advance.
If you tap " + Add a mobile communication company", you will be instructed to start the camera on the screen and read the QR code, so read the screen received by email earlier.The advantage of ESIM is that you can add or replace SIM anytime, anywhere if you have a QR code.
If you read the QR code, a confirmation message will be displayed as "Do you use H3G Hong Kong?", So tap "Start" (H3h Hong Kong is a 3hk ESIM name).On the next screen, "I added one number" was displayed, and ESIM was introduced to Rakuten Mini safely.
The character "3" is displayed in the upper left of the screen, which indicates the 3HK carrier name.It means that you were able to connect to 3HK safely.The SMS arrives immediately and the opening of the SIM is notified along with the phone number.Next, the message of "Charge Charge Completion" and "Addition of Package Completed for 7 days" has been received, and data communication can be used on the 3HK line.
The later usability is the same as when using Rakuten Mini in Japan.It can be connected to 4G in Hong Kong and can be used as it is.It is also possible to turn on the tethering and access the Internet from other terminals (the tethering can be used depends on the carrier plan).
For example, when you go abroad from Japan, you can use roaming services such as DoCoMo and can communicate locally, but if you use Rakuten mini to the sub and use large -capacity data locally, use that.─ You can use it properly.
Well, the benefits of ESIM are not just online.You can buy multiple ESIMs in advance and switch them.Recent smartphones are compatible with dual SIMs that can be able to stand and use two SIMs at the same time.
In the case of Rakuten mini, two pieces of ESIM cannot be used at the same time, but you can use two or more ESIMs and switch them according to the situation.If you keep multiple SIM cards in a wallet, you may lose it, but with ESIM, you don't have to worry about that.
This time as an additional SIM, I purchased another Hong Kong career, CSL "CLUB SIM".CLUB SIM also has overseas packages such as Japan and Taiwan.It's a good idea to remember that overseas carriers are using ESIMs that can be used in Japan.This time, I purchased a plan that can be used for 30 days for Hong Kong dollar (about 1400 yen) for Hong Kong for 30 days.
This is also the same as the setting screen, and the QR code is read from " + Add a mobile communication company".
However, after a while, an error appeared and the phone number could not be written ...In fact, ESIM cannot overwrite the currently used ESIM, and it seems that the ESIM you are using needs to be disabled.
Therefore, open a "mobile phone company" from the settings, tap the gear icon next to the name of H3H Hong Kong, which is currently being used, select "disable status" to disable ESIM.This does not erase ESIM, but is the same as removing it from the terminal.
And if you read the QR code of the Club SIM again, ESIM will be switched safely.The carrier display has also changed to "CLUB".
Thus, Rakuten mini is easy to switch to multiple ESIMs introduced.Just open the "mobile phone company" from the settings and tap the name of the ESIM you want to use.
A general smartphone requires troublesome tasks, such as removing the SIM card using a SIM tray removal pin, searching for another SIM from a wallet and replacing it.With ESIM, it is easy to change your career simply by tapping the screen and following the procedure.
By the way, I bought another carrier, China Unicom Hong Kong.China Unicom Hong Kong has many roaming SIMs for countries around the world, most of which are ESIM.Here, I purchased ESIM for Hong Kong Macau.However, even if the 3HK and CSL ESIM were disabled, the ESIM was not written after reading the QR code.
When I read the QR code of China Unicom Hong Kong on other ESIM smartphones (Motorola Razr), I got the same error as before and could not write.China Unicom Hong Kong's web page says iPhone and pixel as compatible models, so it seems that it is not available on other terminals.In this area, ESIM services may be widespread, so it may still be compatible with each terminal.If you use overseas ESIM, it seems better to check in advance whether or not to confirm the operation.
When using Japanese careers in Japan, Rakuten Mini may not be very convenient.However, it can also be used for use overseas ESIMs in Japan or taking out overseas to use local ESIMs.Rakuten mini, which is cheap and easy to carry as a second unit, seems to be recommended as an introductory machine.
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