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Supported devicesWhatsApp is stopping support for all Symbian, Nokia S40, BlackBerry phones. Phones running older versions of Windows, Android and iOS operating systems will also not be supported.
The shutdown of the service for these devices and platforms will happen at the end of the year, December 31, 2016.
https://www.whatsapp.com/faq/en/general/20951556Android users still on Android 2.1 and Android 2.2 are no longer be able to use WhatsApp.
Windows phone users will have to upgrade beyond Windows Phone 7.1 to continue enjoying services. iOS 6 are not be supported, which affects those Apple users who are holding back from updating the OS.
The devices that WhatsApp will no longer be supported are: Nokia Asha 201, Nokia Asha 205 Chat Edition, Nokia Asha 206, Nokia Asha 208, Nokia Asha 210, Nokia Asha 300, Nokia Asha 301, Nokia Asha 302, Nokia Asha 303, Nokia Asha 305, Nokia Asha 306, Nokia Asha 308, Nokia Asha 309, Nokia Asha 310, Nokia Asha 311, Nokia Asha 515, Nokia Asha 500, Nokia Asha 501, Nokia Asha 502, Nokia Asha 503, Nokia Asha 230, Nokia C3-00, Nokia C3-01, Nokia X2-01, Nokia X3-02, Nokia X2-00, Nokia X7, Nokia E6, Nokia N8, Nokia C6, Nokia C7, Nokia E7, Nokia 500, Nokia 600, Nokia 603, Nokia 700, Nokia 701, Nokia 808, Nokia 5800, Nokia 5530, Nokia 5230, Nokia 5233, Nokia 5235, Nokia N97, Nokia N97 mini, Nokia X6, Nokia X5-01, Nokia C6, Nokia C5-03, Samsung i8910 Omnia HD, Sony Ericsson Satio, Sony Ericsson Vivaz, Sony Ericsson Vivaz Pro, Nokia 5700, Nokia 6110, Nokia 6120, Nokia 6121, Nokia 6124, Nokia 6700, Nokia 6290, Nokia E51, Nokia E63, Nokia E66, Nokia E71, Nokia E90 Communicator, Nokia N76, Nokia N81, Nokia N81 8GB, Nokia N82, Nokia N95, Nokia N95 8GB, Nokia 5320, Nokia 5630, Nokia 5730, Nokia 6210, Nokia 6220, Nokia 6650 fold, Nokia 6710 Navigator, Nokia 6720, Nokia 6730, Nokia 6760 Slide, Nokia 6790 Surge, Nokia C5, Nokia E52, Nokia E55, Nokia E72, Nokia E73, Nokia E75, Nokia E5, Nokia N78, Nokia N79, Nokia N85, Nokia N86 8MP, Nokia N96, Samsung GT-i8510, Samsung GT-I7110, Samsung SGH-L870, Samsung SGH-G810 and Samsung SGH-iNNN.
UPDATE: You won't be able to use WhatsApp on the following platforms for:
Nokia Symbian S60 after June 30, 2017
BlackBerry OS and BlackBerry 10 after December 31, 2017
Windows Phone 8.0 and older after December 31, 2017
Nokia S40 after December 31, 2018
Android versions 2.3.7 and older after February 1, 2020
Personal info sharingWhatsApp will share your phone number with Facebook, you have 30 days to opt-out.
https://www.whatsapp.com/faq/general/26000016Transferring Chat historycheck out
http://www.whatsapp.com/faq/en/general/21002842