T-Mobile T Phone Pro Benutzerhandbuch Seite 54

My phone can't connect to a network or "No service" is displayed
• Try connecting to the network by moving to another physical location.
• Verify the network coverage in your current area.
• Check that your SIM card is valid.
• Make sure your phone's setting is not in airplane mode.
• If you are away from your T-Mobile network, you may need to enable roaming in the phone's settings to
connect to another network. Roaming charges may apply.
My phone can't connect to the internet
• Make sure that Cellular Data internet service is available in your wireless service plan.
• Check your phone's settings. Make sure Cellular Data is enabled or Wi-Fi connected.
• Make sure that you are in a place with network coverage for cellular data or Wi-Fi internet connection.
• Try connecting at a later time or from another location.
Invalid SIM card
• Make sure that the SIM card has been correctly inserted (see "Inserting Nano SIM card").
• Make sure that the chip on your SIM card is not damaged.
• Make sure that the service of your SIM card matches the network you're on.
My phone can't make outgoing calls
• Make sure that you have dialed a valid number and have touched Call on your phone.
• For international calls, check the country and area codes.
• Make sure that your phone is connected to a network, and the network is not overloaded or unavailable.
• Check your subscription status.
• Make sure that you have not barred outgoing calls.
My phone can't be switched on
• If the phone can't be switched on, charge for at least 10 minutes to ensure the minimum battery power needed.
Then switch it on again.
My phone has not responded for several minutes
• If your phone doesn't respond, turn off your phone by pressing and holding the Power key until it turns off and
then restart it again.
My phone turns off by itself
• If your phone turns off by itself, make sure that the Power key is not accidentally pressed.
• Check the battery charge level.
• If it still doesn't work, Factory reset the phone via the Reset options in the phone's Settings. Make sure you
have backed up your data.
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