As per the Telecommunication Regulator of Sri Lanka, all Etisalat SIM cards are required to be upgraded to a Hutch SIM card. As such if you are using a Etisalat 3G SIM card you need to upgrade to a Hutch 4G SIM immediately to avoid service interruption.
Dial *324# to check if your current SIM is a 4G SIM, and if it is not, click this link to request a SIM card to be delivered to you free of charge.
Your number and package will not change.
With the free SIM upgrade, you will also receive a Rs.500 talk time with a validity of 10 days.