MENLO PARK – Social messaging service WhatsApp has made a sad announcement for tech-savvy buffs.

According to the Facebook-owned service blog post, the WhatsApp messenger will not work on a few iPhones and Android phones.

The messenger service will no longer be available for following operating systems:

  • Android versions older than 2.3.3
  • Windows Phone 8.0 and older
  • iPhone 3GS/iOS 6
  • Nokia Symbian S60
  • BlackBerry OS and BlackBerry 10

The users of following operating systems can no longer create a new account, however, they will be able to continue using WhatsApp on:

  • Nokia S40 until December 31, 2018
  • Android versions 2.3.7 and older until February 1, 2020
  • iOS 7 and older until February 1, 2020

If you are currently using these older versions, it is recommended that you update to the following operating systems:

  • Android running OS 4.0+
  • Windows Phone 8.1 +
  • iPhone running iOS 8+

“Once you have one of these devices, simply install WhatsApp and verify your phone number on the new device. Keep in mind that WhatsApp can only be activated with one phone number on one device at a time,” wrote WhatsApp in a blog post.

Users cannot transfer their chat history but WhatsApp offers the option to email your chat history to yourself.