I can't use tethering
Turn data roaming on or off
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1Find "Cellular"
- Press Settings.
- Press Cellular.
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2Turn data roaming on or off
- Press the indicator next to "Data Roaming" to turn the function on or off.
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3Return to the home screen
- Press the Home key to return to the home screen.
Can you use the phone's internet connection?
It's important to find out if you can use the phone's internet connection. If you can't use the phone's internet connection, you need to solve this problem first. When the problem is solved, you will most likely also be able to use tethering.