Shenzhen Grand Time Technology Co. ltd F25 User Manual

Left Soft Key：Function Menu options 

Left Dial Pad：Enter dial pad interface. 

Direction Key：Up/Down/Left/Right option 

OK Key：Long press to unlock, short press to confirm 

  * Key：Switch the input method 

Number 1 Key：Punctuations 

Volume Key：Clockwise to turn up; anti-clockwise to turn down. 

        SOS emergency call: Long press to enter emergency call (Need the third 

party APK software to cooperate.) 

Integration Scheduling Key：Short press to enter integration scheduling, long press 

for 5s, there will be a systematic warning, after that you can talk to everybody online.   

  Camera Key：Short press to enter camera, long press for 3s switch to front 

camera shooting. Press again to stop recording. (Need to put TF card before use.)