| CPC H04B 7/0408 (2013.01) [G06F 1/1677 (2013.01); H04M 1/0214 (2013.01); H04W 4/029 (2018.02); H04W 24/10 (2013.01); H04W 28/0268 (2013.01)] | 28 Claims |

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1. A foldable user equipment (UE), comprising:
a first portion;
a second portion;
an interface system including a user interface system; and
a control system coupled to the interface system and configured to:
obtain an indication to change a separation angle between the first portion and the second portion, wherein the indication is associated with transmission of millimeter wave signals, reception of millimeter wave signals, or a combination thereof; and
provide, via the user interface system, a user prompt to change the separation angle.
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