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TCL 306
Android 12.0
1 Press "SIM card & mobile network"
Slide two fingers downwards starting from the top of the screen.
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Press the settings icon.
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Press SIM card & mobile network.
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2 Select network manually
Press the name of the SIM.
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Press the indicator next to "Automatically select network" to turn off the function and wait while your phone searches for networks.
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Press the required network.
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3 Select network automatically
Press the indicator next to "Automatically select network" to turn on the function.
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4 Return to the home screen
Press the Home key to return to the home screen.
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