Good morning. It’s まさきん.
More and more people around me are running two lines on a single smartphone.
Rakuten Mobile has a dual SIM page, so I took a closer look.
eSIM and SIM card: two lines in one phone
First, let me sort out how this actually works.
If your phone supports it, you can use a physical SIM and an eSIM in the same device.
It also looks like you can go with two eSIMs instead.
- Your phone needs to support both dual SIM and the Rakuten network
- iPhone XS and later and the AQUOS zero6 are given as examples
- You can give each line its own role, such as one for calls and one for data
- They also suggest switching lines when tethering or making long calls
A good first step is to check whether the phone you use every day is a supported model.
Clicking this opens the Rakuten login page. Once you log in, you’ll see the campaign details.
A backup for outages, and a way to separate work and personal
The official site introduces a few ways to use it.
One is as a backup line in case of a network outage.
Another is keeping separate numbers for work and personal use.
They also mention using the two lines separately when you travel abroad.
Plan pricing and eSIM issuance fees depend on the terms of each line you sign up for. If you are considering a second line, it is safest to check the pricing page at that time.
Personally, one line still feels like enough for me, but it was a setup worth understanding.
Summary
Dual SIM is about giving one smartphone two different roles.
Whether as protection against outages or as a way to keep numbers separate, it seems to have a lot of uses.
If you already have a compatible phone, it might be worth considering.
Pricing and device requirements may change in the future, so I recommend checking the latest information on the official site before you apply.
Clicking this opens the Rakuten login page. Once you log in, you’ll see the campaign details.
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