![background image](http://html.mh-extra.com/html/samsung/galaxy-550/galaxy-550_user-manual_339256089.webp)
Troubleshooting
88
Troubleshooting
When you turn on your device or while you are
using the device, it prompts you to enter one of
the following codes:
Code
Try this to solve the problem:
Password
When the device lock feature is
enabled, 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 enabled, you must enter the PIN
supplied with the SIM card. You can
disable this feature by using the
Lock
SIM card
menu.
Code
Try this to solve the problem:
PUK
Your SIM card is blocked, usually as a
result of entering your PIN incorrectly
several times. You must enter the PUK
supplied by your service provider.
PIN2
When you access a menu requiring
the PIN2, you must enter the PIN2
supplied with the SIM card. For details,
contact your service provider.
Your device displays "Service unavailable" or
"Network error"
•
When you are in areas with weak signals or poor
reception, you may lose reception. Move to another area
and try again.
•
You cannot access some options without a subscription.
Contact your service provider for more details.