changed phone

[Westener]

was using a soney phone , now have a iphone SE sim card not working , and now 

[hTideGnow]

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@Westener wrote:

was using a soney phone , now have a iphone SE sim card not working , and now 

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HI @Westener 

is it not connecting to the network?  

Check if your phone is locked :

1. Open Settings.
2. Tap General > About.
3. Look for Carrier Lock. If it says No SIM restrictions, then your iPhone is unlocked. If it says SIM locked or anything else, it is probably locked.

If it is not locked, update the Carrier profile:

1.  Settings app,
2. tap General,
3. and then tap About.
4. Scroll down to Carrier.
5. Next to Carrier, if a new update is available, you'll see an option to perform this update.

[esjliv]

@Westener 

Check if the iphone is blacklisted here: https://www.devicecheck.ca/check-status-device-canada/

edit, if not blacklisted, try preforming a reset of the device's network settings:

This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you've used before.

Iphone:

To Reset Network Settings, begin by opening the Settings app. Next, tap General -> Transfer or Reset iPhone -> Reset -> Reset Network Settings. and enter your passcode.

Your iPhone will reset network settings and restart itself.

[DDM69]

Please provide more details

[softech]

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@Westener wrote:

was using a soney phone , now have a iphone SE sim card not working , and now 

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@Westener   It is not the physical size issue, right?

What was the error message on the phone?

[Gunner123]

@Westener  hi is it a new phone? if not it could be locked to a previous provider 

[darlicious]

@Westener 

What is the message on your iPhone when you insert the sim card? Does public mobile show on your screen? How did you acquire your iPhone? Thru a retailer or a private sale?

Most iPhones require you to check for software updates and to connect to iTunes to update your carrier profile. You would also need to create an Apple id if you are new to the Apple world.