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• When abroad, check that the voltage input is compatible.
• Check that the charging port is secured or it’s not damaged.
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.
• Make sure that your phone is not in airplane mode.
My phone can't receive incoming calls
• Make sure that your phone is switched on and connected to a network.
• Check for overloaded or unavailable network.
• Check your subscription status.
• Make sure that you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.
• Make sure that your phone is not in airplane mode.
The caller’s name/number doesn't appear when a call is received
• If the caller is not in your contact list, you have the option to subscribe to NameID
• Your caller may have concealed his name or number.
I can't find my contacts
• Make sure that your SIM card is not broken.
• Make sure that your SIM card is inserted properly.
• Import all contacts stored in SIM card to phone.
The sound quality of the calls is poor
• Adjust the volume during a call by pressing the Volume key.
• Check the network strength. Move to a location with stronger signal strength.
• Make sure that the receiver, connector or speaker on your phone is clean.
I can't use the features described in the manual
• Check to make sure that your subscription includes this service.
• Make sure that this feature doesn't require any additional accessory.
When I select a number from my contacts, the number can't be dialed
• Make sure that you have correctly recorded the number in your file.
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