ZC 553 KL

After update to 7.1.1 Volte is not available, checked with the service center also not yet solved, can we get update regarding this issue. (WW_14.0200.1704.119_20170508 ).

Hi saivasan62,

Good day.
Please kindly update your firmware version to the latest 14.0200.1705.202?
If this problem still persists, please kindly PM me your serial number ( settings > about > status > serial number).
Also, please tell me your probably location and your carrier.
Where do you buy your phone (location) ?

Thank you.