Sharp AQUOS Crystal Sprint User Manual page 184

Set Your Network Options
1. From home, touch
2. Select LTE/CDMA or CDMA.
 The phone will scan for the best available Sprint network and will automatically connect to it.
When your phone is connected via Sprint Spark, the Sprint Spark icon
Note: The Sprint Spark network is self-discoverable, which means no additional steps are required for
your phone to connect to it.
Messaging and Internet
> Settings > More... > Mobile networks > Preferred network type.
appears in the status bar.
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