Koodo Community

unregistered sim message

my phone keeps saying on my lock screen that unregistered sim, ive been using this phone for years and have never had this message i have taken out the battery taken out my sim and placed it back in several times, now what?

2 replies

Userlevel 6
Which phone is it?
Userlevel 7
Make sure your phone is not set to 2g only or gsm only and have 3g enabled. 🙂