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How to Resolve "Cannot Activate eSIM" Error on Rakuten Mobile

How to Resolve "Cannot Activate eSIM" Error on Rakuten Mobile

When switching to Rakuten Mobile with eSIM on iPhone, after downloading the eSIM, even though it reached "Line Activation Complete",

the eSIM got stuck on "Activating..." and didn't proceed.

Rakuten Mobile eSIM Activating... not progressing, not finishing

After a few minutes, it displayed "Cannot activate eSIM".

Cannot activate eSIM. eSIM could not be activated. Please contact Rakuten for details.
Cannot activate eSIM. eSIM could not be activated. Please contact Rakuten for details.

It connected after deleting the configuration profile!

In my case, it connected the moment I deleted the old configuration profile.

From "Settings > General > VPN & Device Management",
delete the profile for "Japan Communications" that you used previously.

Rakuten Mobile

In most cases, you probably only have the configuration profile of your previous carrier, so deleting it should be fine. However, if you are unsure, please check before deleting it.

The moment I deleted it, the Rakuten Mobile antenna appeared, and I was able to communicate!
All's well that ends well.

If this was helpful, buying something from the buttons below would be encouraging!
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[Product prices may have changed between the time the link was created and the present.]

Apple Gift Card (10,000 yen)
Price: 10,000 yen (tax included, free shipping) (as of 2026/4/30)


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