If the code is not supplied with your SIM card,
contact your network service provider.
Security code (sign-in PIN, lock screen PIN)
(min. 4 digits)
This helps you protect your phone against
unauthorized use and verify your identity.
You can set your phone to ask for a PIN when you,
for example, unlock your phone, change security
settings, or buy an app in Store. You can define
this PIN yourself.
Keep the PIN secret and in a safe place, separate
from your phone.
If you forget the sign-in PIN and cannot recover
or reset it in any way, your phone will require
service. Additional charges may apply, and all the
personal data on your phone may be deleted.
For more information, contact the nearest care
point for your phone, or your phone dealer.
IMEI This is used to identify phones in the network.
You may also need to give the number to your
care point services or phone dealer.
To view your IMEI number, dial *#06#.
Troubleshoot connectivity issues
If your internet connection doesn’t work
• Check your cellular data connection. Swipe down from the top of the screen, tap All settings >
Network & wireless > Cellular & SIM, and check that Data connection is switched to On .
• Check your Wi-Fi connection. Swipe down from the top of the screen, tap and hold Wi-Fi, and
check that Wi-Fi networking is switched to On and you are connected to a network.
• Check that battery saver mode is not turned on. Swipe down from the top of the screen, and tap
All settings > System > Battery saver.
• If you are abroad, check that you have allowed roaming. Swipe down from the top of the screen,
tap All settings > Network & wireless > Cellular & SIM, and check that Data roaming
options is switched to roam. Connecting to the internet when roaming, especially when abroad,
can raise data costs substantially.
• If you have installed new settings from a text message, uninstall the new settings. Tap Storage >
This Device > Apps & games and the new settings item, and tap Uninstall.
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