Huawei Mobile Phones User Manual page 37

Question
How do I
maintain my
phone and
accessories?
Why cannot my
phone be
powered on?
Why cannot I
make a call
from my
phone?
Why does noise
occur during a
call?
Why cannot
the battery be
charged?
Why cannot my
phone detect
the SIM card?
Prevent dust and water from entering your

phone. Do not use your phone in a dusty or
moist environment. Avoid dropping your
phone and prevent physical impact to the
phone.
Do not install and remove your SIM card

frequently.
To prevent the housing or the display of your

phone from scratches, avoid placing your
phone near sharp objects.
The battery of your phone is almost used up.

The power key of your phone does not

function properly.
There is no signal or the signal strength is

weak. Check whether your phone is within the
service area and check that the signal strength
is strong.
Check whether there are barriers (such as

buildings) around, which block the signal.
The signal strength is weak.

You are far from the signal transmission tower,

or the signal is blocked by surrounding
buildings.
The charger has failed.

The battery is damaged.

The SIM card may be damaged.
Replace it with another SIM card that works
properly and check again.
Answer
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