5
Button customization in
settings
-->Double click the setting to quickly open any
application.
Button customization in
settings
--> Long press to enter F150 mode.
Emergency contact in the
settings
-->Press the F150 button 5 times to enter the
emergency call state; when turned on, the flash will start and the phone will play an
emergency alarm. If you can add contacts
，
your phone will call them automatically
until getting through.
Summary of Contents for Bison2021
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