Supports the latest iPhone 12 from a company Apple’s fifth generation (5G) networks, but not if you use the device in dual-SIM mode, according to an internal Apple training document revealing the problem.
And prepare Dual SIM mode As a feature provided by Apple for the first time with a phone (iPhone XS), and it is useful for those who travel or reside abroad or people who have business and personal lines on the device itself.
The feature allows both the actual (Nano SIM) line and only data service from another carrier to use an eSIM simultaneously.
(IPhone XS), (iPhone XS Max), (iPhone XR) and later feature support for dual-SIM mode with a nano-SIM and an eSIM.
An eSIM is a digital SIM card that allows you to activate a mobile data plan from your network provider without the need to use a physical (nano-SIM).
It is clear that this matter conflicts with the ability of the iPhone 12 to work over the fifth generation networks, At least for now.
Apple says in a document called “What you need to know about (5G) over the iPhone”: When using two lines in Dual SIM mode, the fifth generation data is not supported in either line, and it will revert to (4G LTE).
She added: If customers use (eSIM) only and are subscribed to a service plan and a network operator supporting the (5G) network, they will have access to the 5G network.
Apple reportedly plans to release an update later this year to fix the issue, according to it Mentioned MacRumors, which cites an internal Verizon document detailing the company’s support for 5G networks for iPhones.
Currently, you can access 5G networks via iPhone 12 either through a (Nano SIM) or (eSIM) line, as long as you only use one line at a time, which means that eSIM users must remove the physical card from the phone. To reach speeds (5G).