Samsung Galaxy S7 edge Instruction Manual page 142

Operating terminal
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Trouble
Become hot • While operating or charging, or if you operate
while operating/ applications or watch TV (Fullseg/1Seg) for a
charging. long time while charging, the terminal or adapter
may become hot. There is no operation problems
and you can continue to use it.
The operation time • Is the terminal left for a long time out of service
is short. area? Staying outside of the service area may
consume much power to search available radio
waves for communication.
• The operating time of the internal battery varies
depending on the operating environment and the
secular degradation of the internal battery.
• The internal battery is a consumable accessory.
The usage duration of the battery per 1 charge
decreases gradually each time the battery is
recharged. When the operation time is too short
even the terminal is fully charged, contact the
phone number given in "Repairs" on the last page
(in Japanese only) or DOCOMO-specified repair
office.
No operation is • Is the screen locked? Unlock the screen by
performed even pressing
when tapping the key]. → P.26, P.117
touch screen.
The touch screen • It may be occurred when large amount of data
reacts slowly when is saved in the terminal or transferring large-size
a screen is tapped. data between the terminal and microSD card.
• Do you attach a protection sheet on the terminal?
The operations may be impeded by the protection
sheet.
The docomo nano • Is the docomo nano UIM card installed with a
UIM card is not correct direction? → P.23
recognized.
Check and remedy
[Power/Screen lock key]/ / [Home
Trouble
Time is incorrect. • It may be occurred if the terminal keeps turned on
for a long time.
Check if "Automatic date and time" is set to ON,
and turn on the terminal at places where signal is
strong. → P.124
Terminal becomes • It may be caused by applications installed to the
unstable. terminal after purchase. If problems improve when
you start in Safe mode (a function to activate the
terminal in a mode similar to default), problems may
be improved by uninstalling the application.
- To start Safe mode
- For using Safe mode, back-up the required data
- Note that widget you created may be removed.
- Safe Mode is not normal activation. Usually exit
Terminal reacts • Confirm the internal memory usage of the terminal
slowly/Behaviors and obtain memory by ending some activated
become unstable/ programs. → P.113
Some of the
program cannot
activate.
Data is not • Turn off and on the power. If it does not solve the
displayed properly/ problem, trying "Factory data reset" (P.123) may
Cannot operate improve the symptoms. Note that the operation
the touch screen erases all data saved on the terminal. Make sure
properly. to back up necessary data beforehand.
140
Check and remedy
Press [Power/Screen lock key] for 2 seconds
or more when power is OFF, and after docomo
logo disappears, continue to press volume
DOWN key.
* When Safe mode starts, "Safe mode" appears
on the lower left corner of the screen.
* To terminate Safe mode, open notification
panel and tap "Safe mode enabled" →
"RESTART NOW".
beforehand.
Safe Mode and then use the terminal.
Appendix/Index