My Samsung Galaxy E 5 says invalid sim card. How do I fix it?

[Angel_28]

Broken phone, need to fix it

 

[Saga Lout]

If you're tied in a contract with a service provider, anyone else's SIM card will throw that message every time.

 

[Saga Lout]

If you're tied in a contract with a service provider, anyone else's SIM card will throw that message every time.