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TCL onetouch 4021 | Stylish Phone with Reliability
: TCL onetouch 4021
TCL onetouch 4021
Stylish Phone with Reliability
TCL onetouch 4021
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FAQ
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How can I adjust the volume when I am listening to music / playing a video / listening to radio / making a phone call?
# Ringtone & Sounds
Why does my phone show ‘No Service’, ‘Emergency call’ or ‘couldn’t register’?
# Troubleshooting
Why is my phone always showing low power?
# Troubleshooting
Why does my mobile phone turn off automatically?
# Troubleshooting
Why couldn’t my mobile be switched on?
# Troubleshooting
How can I transfer data between phone and PC?
# Troubleshooting
Why is there no battery charging icon indicated on my phone when I plug it to the charger?
# Troubleshooting
How can I make my phone battery last longer?
# Battery
Why couldn’t my phone take photos or make videos?
# Camera
How can I transfer files by Bluetooth?
# Bluetooth
How can I make factory data reset on my phone?
# Back Up & Reset
How can I check the IMEI number of my device?
# Basic Settings
How can I change my phone ringtone, remove power on/off beep?
# Ringtone & Sounds
Why doesn’t my alarm work?
# Ringtone & Sounds
Why do I receive text message sending/ receiving error?
# Message
How can I input symbol and change the input method?
# Message
How can I block a contact?
# Phone & Contact
How can I copy all SIM card directories to phone contacts?
# Phone & Contact
How can I set up speed dial?
# Phone Calls
Why couldn’t I make outgoing call and receive incoming call?
# Phone Calls
How can I forward incoming call to another phone?
# Phone Calls
How can I change font size on display?
# Basic Settings
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