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TCL onetouch 4021 - Security Settings; Network Settings; Dual SIM Settings; Call Settings

TCL onetouch 4021
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8.3 Security settings
1. Phone Security
• Phone locked
An unlock code is requested each time the phone is
powered on.
• Modify the phone password
Change the phone's password (the initial one is 1234).
2. Lock keypad by end-key
After enabling this function, you can press End Key to
lock the screen.
8.4 Network settings
Network connection can be switched between
Automatic
and
Manual
.
8.5 Dual SIM settings
You can set Standby.
8.6 Call settings
You can activate/deactivate Auto redial, Call time
reminder, Connect notice, set Answer mode and
Speed dial
in this menu.
8.7 Restore settings
Make the phone’s settings return to their default
values. End-user data will be erased. Enter the default
password 1234 to confirm restore and reboot.
8.8 Regulatory & Safety
View information about your phone, such as Product
Model, Manufacturer Name, IMEI, CU Reference, etc.
8.9 About
You can view Privacy and User Terms.

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