Samsung SM-F731U1, User Manual

Page: 181 / 188

Appendix
181
Troubleshooting
Before contacting a Samsung Service Center or an authorized service center, please
attempt the following solutions. Some situations may not apply to your device.
You can also use Samsung Members to solve any problems you might encounter while
using your device.
When you turn on your device or while you are using the device, it
prompts you to enter one of the following codes:
•
Password: When the device lock feature is turned on, you must enter the password
you set for the device.
•
PIN: When using the device for the first time or when the PIN requirement is turned
on, you must enter the PIN supplied with the SIM or USIM card. You can turn off this
feature by using the Lock SIM card menu.
•
PUK: Your SIM or USIM card is blocked, usually as a result of entering your PIN
incorrectly several times. You must enter the PUK supplied by your carrier.
•
PIN2 : When you access a menu requiring the PIN 2, you must enter the PIN2 supplied
with the SIM or USIM card. For more information, contact your carrier.
Your device displays network or service error messages
•
When you are in areas with weak signals or poor reception, you may lose reception.
Move to another area and try again. While moving, error messages may appear
repeatedly.
•
You cannot access some options without a subscription. For more information,
contact your carrier.
Your device does not turn on
When the battery is completely discharged, your device will not turn on. Fully charge the
battery before turning on the device.