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Which is the recommended cheap SIM and cheap smartphone for au line? We will consider from the price, speed, and campaign!
Table of Contents
Cheap SIMs include DoCoMo, au, and SoftBank. Here, we will introduce recommended cheap SIM services and smartphones for au lines. Compared to DoCoMo and SoftBank, au lines are often used with cheap SIMs, and there are many services and models to choose from.
Also, if you are using a carrier’s au line, switching is easy and the calling area is the same as an au line, so you can use it with confidence. Another advantage is that you can use smartphones purchased with au without SIM unlocking. However, some models require a SIM lock when switching from au, so it is important to check in advance.
UQ Mobile is the most popular cheap SIM for au lines. The population coverage rate of 4G LTE on au lines is 99.9%, and you can always communicate comfortably even if you are not connected to 5G. This service is unique to Japan, which has one of the highest 4G LTE coverage rates in the world.
Of course, 5G connections are now commonplace, so you can connect to 5G without any problems in metropolitan areas and other cities, and the number of 5G communication areas is increasing year by year. In this way, one of the features of UQ mobile is that you can use the strengths of the au line.
Also, if you have an eSIM, you can set up and replace the SIM card, which is troublesome, just by downloading the profile, so it is recommended. For example, if you are using an au iPhone (XS or later), you can use UQ mobile only by setting eSIM without inserting and removing the SIM card.
Kurikoshi Plan( carried forward plan) +5G +5G
|Kurikoshi Plan S +5G||Kurikoshi Plan M +5G||Kurikoshi Plan L +5G|
|¥1.628 (Tax Included)/Month||¥2,728 (Tax Included)/Month||¥3,828 (Tax Included)/Month|
・When the basic data capacity is exceeded : Maximum 300kbps
・When the basic data capacity is exceeded: Maximum 300kbps
・When the basic data capacity is exceeded: Maximum 300kbps
Reason why UQ mobile is recommended cheap sim
UQ mobile is recommended that au’s 5G + 4G LTE line is connected, and even if the 5G line is not connected, it can be connected anywhere in the country with the au 4G LTE line. In addition, we have a lineup of terminals from the latest iPhone 13 to the popular iPhone SE and various Android terminals.
For Android devices, we have SONY’s latest middle-class devices and OPPO’s high cost performance devices. In addition, each plan can be selected according to the application, and if you switch from a carrier such as au, you can use it for less than half the price. By choosing a plan that allows you to communicate at a maximum of 1 Mbps even when the basic data capacity is exceeded, you can use it without any inconvenience even if you switch carriers.
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Mineo is a low-cost SIM service provided by Optage of the Kansai Electric Power Group, and you can use au, DoCoMo, and SoftBank lines. mineo is convenient because you can switch to the popular iPhone without the hassle of unlocking the SIM (more than 55% of mineo users use the iPhone series).
Mineo Plan Table
|Basic Data Capacity||Voice call + data capacity (dual type)||Data communication only (single type)|
*au, DoCoMo, and SoftBank all charge the same rate.
Reason why mineo is recommended cheap sim
The reason why mineo is recommended is that it is convenient for switching from each carrier including au. In addition, the variety of terminals that can be purchased at the same time as SIM with mineo is also attractive.
You can choose not only the latest iPhone 13 and iPhone SE, but also Android terminals that are more fulfilling than carriers. Even recently, mineo has introduced SONY’s latest terminal. In addition, you can also choose overseas terminals such as popular Motorola, OPPO, and Xiaomi.
IIJmio is a cheap SIM service that allows you to choose between au and DoCoMo lines. It is characterized by its low price, and supports about 500 types of Android devices, including iPhones.
IIJmio Plan Table
|2G Plan||4G Plan||8G Plan||15G Plan||20G Plan|
|Voice call||Tax Included 550円(Tax Excluding 500円)||Tax Included ¥690(Tax Excluding 627円)||Tax Included ¥1,200(Tax Excluding ¥1,091)||Tax Included ¥1,500(Tax Excluding ¥1,364)||Tax Included ¥1,700(Tax Excluding ¥1,546)|
|eSIM (data communication, docomo only||Tax Incuded ¥140(Tax Excluding ¥127)||Tax Included ¥360(Tax Excluding ¥327)||Tax Included ¥800(Tax Excluding ¥727)||Tax Included ¥1,130(Tax Excluding ¥1,027)||Tax Included ¥1,350(Tax Excluding ¥1,227)|
Reason why IIJmio is recommended cheap sim
The reason why IIJmio is a recommended cheap sim is that the price is cheap. The 2 Giga Plan starts at 550 yen including tax, which is a great plan for people who don’t usually use data communication.
Recently, carriers have started cheap SIM services, but considering that the average price is around 1,000 yen, IIJmio is quite cheap. Although it is only DoCoMo, it is also characterized by the fact that eSIM data plans can be selected. IIJmio is recommended for those who want to choose based on price.
BIGLOBE Mobile is a cheap SIM service operated by a provider with a 27-year history and 3.32 million members. You can use cheap SIM for au line and DoCoMo line. BIGLOBE Mobile’s unique services such as entertainment free options (YouTube, Apple Music, Spotify, etc. can be used at a flat rate without counting).
BIGLOBE plan table (voice call SIM+data communication)
|Plan S (1G)||Plan R (3G)||Plan M (6G)|
|First line||¥980(Tax Included ¥1,078)||¥1,200(Tax Included ¥1,320)||¥1,700(Tax Included ¥1,870)|
|First line||¥3,400(Tax Included ¥3,740)||¥5,200(Tax Included ¥5,720)||¥7,450(Tax Included ¥8,195)|
Reason why BIGLOBE Mobile is recommended chaep sim
The reason why BIGLOBE Mobile is recommended is the name value and communication quality of BIGLBOE, a safe provider service. Plan charges are more expensive than IIJmio, etc., but you can use it conveniently by using entertainment -free options.
In addition, there is a unique advantage of a major provider, such as a service that will be discounted when contracted with a BIGLOBE. It is a recommended cheap SIM service for those who are worried about quality when changing from a career.
Aeon Mobile is a cheap SIM service operated by Aeon, a famous supermarket. You can also purchase and repair smartphones at 200 ions nationwide. The line can use au and docomo. Aeon Mobile can select a voice+data communication SIM of ¥5,588 (50GB) from ¥528 (1GB) per month (1GB).
AEON Mobile Price List (partially)
|If you use it alone||If you use it with your family||If it’s just the data|
|Voice Call plan||shere plan||data plan|
|Voice Call 1GB||Every month with your family 3GB||Every month 1GB|
|¥780/month(Tax Included ¥858)||¥1,280/month (Tax Inculded ¥1,408)||¥480/month(Tax Included ¥528)|
Reason why AEON Mobile is recommended chaep sim
The reason for recommending AEON Mobile is cheap SIM. As I wrote above, you can purchase and repair a smartphones at 200 AEON stores nationwide. For those who actually use AEON for shopping, you can use cheap shims very conveniently.
We also recommend that you can select a plan from 0.5GB to 10GB to 20GB to 50GB. This is a service unique to Aeon Mobile, and has a wide plans and cheap SIM.
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Here are the advantages and disadvantages of switching to a cheap SIM of au line. The conclusion is that there are more benefits, and more and more people are switching to a cheap SIM on au line because they can be used cheaply.
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The advantage of switching to a cheap SIM for an au line is the ease of connecting the line. As I wrote above, the population coverage rate of au 4G LTE is 99.9%, which is very high and easy to connect. This is because Japan is originally a country with strong 4G LTE infrastructure, so it is easy to connect with major au.
Therefore, one of the merits in Japan is that even a cheap SIM can be used almost as well as a carrier. In the first place, many people who want to use cheap SIMs want to use smartphones conveniently at a low price, and cheap SIMs for au lines are prepared with terminals and lines that meet those needs.
Also, there is a feature that cheap SIM for au line is cheaper than cheap SIM for SoftBank line. Therefore, there are many companies that have entered the cheap SIM of au lines, and it is also an advantage that you can choose various services.
The disadvantage of switching to a cheap SIM for au lines is that you may feel some deterioration in communication quality if you are using a carrier. However, UQ mobile and others have a reputation as sub-brands of au that have quality comparable to carriers. Therefore, it is normal to feel that there is almost no difference when actually using it for calls or communications.
Recently, more and more people have fiber-optic lines at home and do not use their smartphones for communication. If you are such a person, you can use your smartphone conveniently and conveniently by switching to a cheap SIM for an au line.
A point to note when switching to a cheap SIM for an au line is switching SIMs from carriers other than au. To switch from a carrier other than au to a cheap SIM for an au line, you need to apply for number portability with the original carrier.
This is so that the original phone number can also be used with a cheap au line SIM. Also, if you want to use eSIM, you need to apply for it, and you need to check if your device supports eSIM. For example, UQ mobile has a list of compatible devices, so you can check it before changing to a safer way.