Network issues after updates in A7 (2018)

[SunVishNG]

With recent Service update noticed problem of frequent network issues with Jio, volte sign goes off frequently but 4g is working means can't make or receive phone calls.

[Ompsr]

yes, same problem after updating my a7

[EverythingSAMSUNG]

try to reset network in settings >reset

if it works then mark as solution

[SunVishNG]

All tried, several times

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please be assured and to resolve "network problem" issue please follow below given steps:

1) Check network operators and select automatically (Settings> Connections> Mobile Network>Network operator> select automatically > Tap on OK > Registered on network).

2) Check device in safe mode: Press and hold the Power key, when Power off icon appears >Press and hold the power off icon.
Exit safe mode: Hold the power button and select restart on the device.
3) Reset the device: settings >General Management > Tap on Reset.
Note: Before reset make sure to have back up of the data via Smart Switch Mobile App
(Install Smart Switch App > Open > Click on Memory Card Icon >Back Up option > Choose the data for Back up > Back Up).

If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

[moosapg]

go to settings then tap general settings then reset settings (reset settings to their defaults not factory reset) I have done this successfully.
100% working
try if works then mark as solution

[SunVishNG]

thanks for reply but I said, all that I tried before writing here