Operation & user’s manual [PDF] (23 pages)
- Updated: 20.08.2026
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U509
USER MANUAL
Welcome to use ufone mobile,this manual is to help you know how to well use the
phone.
Safety Attentions:
Please read the following information carefully in order for you to use the phone
safely and effectively.
Power the phone safely
Please do no power the phone at the locations where the phone is prohibited using
or the phone may cause the disturbance or risks.
Traffic safety is first
Please do not use the phone when driving in order not hinder the safety of the
driving.
Keep the phone out of stretch of the kids
The phone and its accessories (including fittings) should be kept out of the stretch of
the kids.
Please use the accessories of the original manufacturer or the accessories
approved by the manufacturer. The usage of any unapproved accessory will
affect the phone performance and damage the phone,even result in the human
body risks or in violation of the related national regulations on the
communication terminals.
Please clean the phone with the slightly-wet and static-free clothing. Do not use
the dry or static-prone clothing. Please note not to use the chemicals such as
detergents when cleaning the phone surface.Please power the phone off when
cleaning the phone.
Please do not place your phone near the magnetic memory medium such as PC
disk. The phone may disturb the TV, radio, PC, thus affecting the call
performance when using the phone near them.
Do not let the phone exposed to the strong sunlight in avoidance of being
heated.
Do not enter various liquids into the phone in avoidance of the damaged.
Do not throw and strike the phone, do not crudely treat and damage the internal
circuit board of the phone.
Do not connect the phone with other device not supporting the phone.
Keep away from fire
Volume adjust:
Adjust device’s volume.
Menu button:
Open the list of options available on the current screen.
Home button:
Return to the Home screen; Open the list of the recent applications(press and hold).
Back button:
Return to the previous screen.
Power on/off:
Turn on/off the device(press and hold);
Lock the screen or turn it on.
This version is dual-card standby over-time phone which can be inserted with 2 SIM
cards. SIM card is included in the socket generally. The SIM card is inserted in the
Socket. You should be careful to use,insert and disassemble the SIM card because of
the SIM card damage owing that the contact of the SIM card is easy to be scrapped
or bent or damaged.
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