WyWallet is Sweden's largest mobile payments service with more than 1 800 000 users. The service was launched 2012 and manage ... s Mobile number based payments towards the bills of Swedish mobile operators Telia, Tele2, Telenor and 3. 4T Sverige AB was founded in 2011 and merged into PayEx Sverige AB in 2017. For more information please visit: http://wywallet.se. read more