#Ulduzum
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Renewed Ulduzum mobile app from Bakcell: gateway to exclusive discounts, opportunities
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Bakcell’s loyalty program Ulduzum is best consumer services in telecommunications
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Bakcell launches new campaign “Ulduzum Festival”
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Bakcell awards 500,000th subscriber and 10 most active users of "Ulduzum" program (PHOTO)