Operation Manual

A77 63
when you install or repair this phone by yourself, which also goes
against the warranty rules.
T
T
A
A
K
K
I
I
N
N
G
G
C
C
A
A
R
R
E
E
O
O
F
F
Y
Y
O
O
U
U
R
R
D
D
E
E
V
V
I
I
C
C
E
E
Your device is a product of superior design and craftsmanship and should be
handled with care. The following suggestions will help you protect your phone.
Keep the device dry. Precipitation, humidity, and all types of liquids or
moisture can rust the electronic circuits. If your device gets wet, remove
the battery, wipe it with a dry cloth and take it to an authorized service
center.
Do not store the device in high or cold temperature. High temperatures
can shorten the life of electronic devices and damage batteries.
Do not use or store the device in dusty, dirty areas. Its moving parts and
electronic components can get damaged.
Do not attempt to open the device other than as instructed in this guide.
Repairing this phone by yourself other than our authorized service
agents/centers goes against the warranty rules.
Do not drop, knock, or shake the device. Rough handling can break
internal circuit boards and fine mechanics.
Do not use harsh chemicals, cleaning solvents, or strong detergents to
clean the device. Only use a soft, clean, dry cloth to clean the surface of
the device.
Do not store your device near magnetic fields or allow your device to
come in contact with magnetic fields for extended period of time.
BATTERY RECOMMENDATIONS
Please put the battery in a cool and well-ventilated place out of direct
sunlight. We recommend you to charge the battery at room temperature
range.
Batteries have life cycles. If the time that the battery powers equipment
becomes much shorter than usual, the battery life is at an end. Replace
the battery with a new battery of the same make and specification.
Use manufacturer approved batteries, chargers, accessories and