Default Which source is the kernel that comes with T520XXUAND1??

These are the options


Mobile Phone SM-T520 T520XXUANAE SM-T520_KK_Opensource.zip
Mobile Phone SM-T520_CHN T520ZCUANB4 SM-T520_CHN_KK_Opensource.zip
Mobile Phone SM-T520_MEA T520XXUANAE SM-T520_MEA_KK_Opensource.zip
Mobile Phone SM-T520_NA UEUANA8 SM-T520_NA_KK_Opensource.zip
Mobile Phone SM-T520_NA UEUANAE SM-T520_NA_KK_Opensource.zip
Mobile Phone SM-T520_NA T520UEUAND1 SM-T520_NA_KK_Opensource.zip
Mobile Phone SM-T520_SEA T520XXUANB4 SM-T520_SEA_KK_Opensource.zip