Most HTC phones are able to detect which mobile operator you're using based on the SIM card you inserted, and then use the preset Access Point Name (APN) to connect to your mobile operator's data network. You can add a new APN when roaming or if you have difficulty establishing a data connection.
Important: Some mobile operators may not allow you to change the predefined APN or add new ones.
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From the
Home screen, tap
.
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Tap
Mobile network.
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In dual SIM phone models, choose the SIM card you use for your data connection.
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Make sure
Mobile data is turned on.
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Tap
.
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On the
APNs screen, tap and enter the APN settings.
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Tap
and then select the new APN on the
APNs screen.