Samsung galaxy s4 mpbile network issue

[Jrt9002]

i just changed my phone iphone to samasung galaxy s4 from iphone 7.

when i put my sim card i could not find any mobile networks i search automatically also i tried with rogers and telus 

what settings i need to do for mobile networks and internet networks

Model: samsung galaxy s4

Sub-model:  SGH-i337M

[computergeek541]

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@Jrt9002 wrote:

yes they asked for unlock code but i hit dismiss

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It was the SIM Network Unlock PIN asked for?  If it was, you won'f be able to use this phone at Public Mobile untl you get that code. The original carrier can provide the unlock code.

[Jrt9002]

yes they asked for unlock code but i hit dismiss

[Dunkman · Accepted solution]

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@Jrt9002 wrote:

how can i check my phone is locked or unlocked?

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@Jrt9002 

When you put the SIM card in phone or reboot with the SIM card, the phone will ask for unlock code.  

[Jrt9002]

My account is already active

[Jrt9002]

how can i check my phone is locked or unlocked?

[Dunkman]

@Jrt9002 

Is your account status active or suspended?  Is it possiible that your phone is locked?

Reboot your phone.  Maybe try a network reset of the phone.