IIJmio, an MVNO service, announced the results of SIM operation confirmation on iPhone12 and iPhone12 Pro released on October 23, 2020.
Confirmed operation with type D / A data communication, voice call and eSIM plan data communication
According to the operation check terminal list page of IIJmio, at the time of writing this article, it was confirmed that data communication / voice call of docomo network type D, au network type A, and data communication of eSIM plan work without problems. ..
The company also reports that 5G communications are not available.
A Wi-Fi connection is required to activate a newly purchased iPhone. 5G communication is not available for various SIMs such as IIJmio’s eSIM. In addition, you need to install the APN configuration profile to use data communication. For more information, please check https://t.co/Sf3rsFeouA.
— IIJmio (@iijmio) October 23, 2020
Type D (docomo net)
Type A (au network)
APN configuration profile must be installed
As a precaution specific to iOS, IIJmio advises you to install and use the corresponding iOS APN configuration profile even if you are using an iPhone or iPad and you can manually set the APN. APN configuration profiles for iOS 14 devices are also available.
Source: IIJmio
(FT729)
I want to read together iPhone 12 series related special feature
Source: iPhone Mania