Zte X175 User Manual page 9

ZTE
Explanation for
Mobile Phone with/without RUIM Card
There are two types of ZTE CDMA Mobile phone, one need RUIM
card inserted and another does not need. Sections or functions in this
manual are for the phone with RUIM card. If your phone could be used
without RUIM card, please pay attention to the following items:
1. The phone can be used without the RUIM card.
2. Some functions are only available concerning with RUIM and
won't display, such as,
The new contact can be saved only in Phone, not in RUIM.
The new message can be saved only in Phone, not in RUIM.
The message in Inbox can not be moved to RUIM.
There is no PIN Lock function in Security Setting.
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