A:AnswerWith Windows 11, you can use "Link to Windows" to interface (limited) with an iPhone.
Interface is limited to phone usage (calls), messaging, and similar. File transfer is supposed to be available but I did not use it for that purpose.
However, robustness of connectivity is less than perfect. Rebooting the PC usually resolves this.
A:AnswerNo. I asked the same question before purchase and was told that the ''RAM" card was soldered to the motherboard in order to keep the unit slender. We determined that 16 GB was sufficient to meet our needs.