Troubleshoot Connectivity Issues - Microsoft Lumia User Manual

Security code (sign-in PIN, lock screen PIN)
(min. 4 digits)
IMEI

Troubleshoot connectivity issues

If your internet connection doesn't work
• Check your mobile data connection. Swipe down from the top of the screen, tap
settings > Network & wireless > Mobile & SIM, and check that Data connection is
switched to On
• Check your WiFi connection. Swipe down from the top of the screen, tap and hold
WiFi, and check that WiFi networking is switched to On
network.
• Check that battery saver mode is not switched on. Swipe down from the top of the screen,
and tap All settings >
• If you are abroad, check that you have allowed roaming. Swipe down from the top of the
screen, tap All settings >
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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.
System > Battery saver.
Network & wireless > Mobile & SIM, and check that
This helps you protect your phone against
unauthorised 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 info, contact the nearest care point
for your phone, or your phone dealer.
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#.
and you are connected to a
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