Hello. I’m Amira, Samsung Moderator Thank you for asking the question We wish you a happy day Based on your inquiry regarding the update
In regards to your query, kindly follow the below steps: Make sure that the device does not encountered any issue like dropped in any liquid or fall on solid floor Change the network mode and see if that will make any difference through settings – connections – networks – mobile network settings – network mode Check if calls can be made after switching the phone off and on. check the device with another SIM card try the sim card in different Mobile phone to check whether the issue with the phone or the Sim card if another SIM card works with the device kindly contact with the network provider in order to fully assist you if the issue still exist we recommend that you perform a factory data reset to resolve this issue using the steps below:-
Launch the Settings app and tap General management → Reset → Factory data reset → RESET → DELETE ALL.
Ensure all user data is backed up using smart switch from the link below and then use the backup tool to create a data backup http://www.samsung.com/eg/support/smartswitch/ If you’re still facing the same issue, kindly take the device to the service center to check on it.
If you have any other question, can you explain it to us We are at your service always Thanks for your time
Thanks for reply None of this worked But I tried to change APN settings and this fixes it , the problem still recurs every now and then but resolves with APN changes I hope samsung can fix this issue with next update
