To check your DU balance you just simply need to dial *135# and now you need to wait for a confirmation message from DU.
To find out the data balance for prepaid users on DU, you can also SMS ‘balance‘ to 1355.
DU UAE, or East African Telecom, is a joint venture between Egypt’s Hurst & White Enterprise (HW Enterprises), the Dubai Electricity and Water Authority (Dewa), the United Arab Emirates (UAE) and several other businesses and institutions.
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It provides fixed line, mobile phone and television services throughout the United Arab Emirates, which is why it is often referred to as “the UAE of Africa”. The company was established in 2005 by a number of entrepreneurs who were drawn by its global scale and the chance to develop into one of the leading telecommunications operators in Africa. https://www.du.ae/personal
Its main markets in Abu Dhabi are communications, including wireless and satellite services; enterprise, which include solutions for small and medium enterprises; and consumer, including retail and telecom products.