j7 prime network issue

yes

no

but resent 180 mb.update phone is hanging

arre yrr

should i go to the service center

i m unable to make/receive call from j7 prime sim1 slot .....
but phone is showing signal....
i have updated my device to android 7

me too help please

after i update 219 mb of software.

Thanks for being with Samsung and for sharing your concern. We would like to suggest you kindly follow the below mention steps to overcome the Issue;

Check by using any other Sim card.

1) Ensure that network frequency of your device should be selected on Auto-mode.

2) Menu > Settings > Connections > More Networks > Mobile Networks > Network Mode > Select auto mode (GSM/WCDMA/LTE).

3) Search for the Network Manually as follows:
Menu > Settings > Connections > More Networks > Mobile Networks > Network Operators > Select Manual Search.

Be sure to hit ♡ when you find an answer that works for you.