STC Kuwait APN settings for Android:

Go to Menu -> Settings -> Wireless & networks-> Mobile networks -> Access Point Names -> New APN and type the following

Name : STC Kuwait
APN : VIVA
Proxy : Not Set
Port : Not Set
Username : Not Set
Password : Not Set
Server : Not Set
MMSC : Not Set
MMS Proxy : Not Set
MMS Port : Not Set
MCC : 419
MNC : 04
Authentication Type : Not Set
APN type : default
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer : unspecified
MVNO type: None

STC Kuwait APN Settings for iPhone

Go to Settings-> General Settings-> Network->Turn ON Cellular Data-> Cellular Network -> APN and enter the following Details

CELLULAR DATA:
APN: VIVA
Username: Blank
Password: Blank
LTE Setup (optional)
APN: Blank
Username: Blank
Password: Blank
MMS:
APN: Blank
Username: blank
Password: blank
MMSC: Blank
MMS Proxy: Blank
MMS Message Size: 1048576
MMS UA Prof URL:Leave blank