4
I. Cautions on mobile phone use
1.1 Interference
All phones may be interfered, which affect phone calls.
1.2 Reasonable use
Use only in the normal position. Do not touch the antenna area unnecessarily.
1.3 Qualified maintenance service
Only qualified personnel may install or repair this product.
1.4 Water-resistance
Your device is non water-resistant. Keep it dry.
1.5 Emergency calls
Ensure the phone is switched on and in service. Enter the emergency number and press the
Dialer icon.
2 Precautions for use of battery
2.1
Do not dispose of batteries near or in a fire to avoid dangers.
2.2
Do not dispose of batteries in the garbage. Dispose of batteries to assigned battery recycling
center.
3 Cautions for children
Keep your device out the reach of children in case of accidental injury caused by incorrect use of
the device as toys.
Summary of Contents for F91 5G
Page 1: ...1 F91 5G User Guide...
Page 5: ...5 II Keys and parts...
Page 7: ...7...
Page 13: ...13 Swipe up and enter the application list...
Page 25: ...25 11 Manage Applications Enter Setting App You can see app info...