I dont have "data roaming" option in Settings->Mobile networks. i only have option to select international roaming. if i want to use 3g data connection i need to enable "data roaming". do you know why roaming data connection enable/disable option dissapper? my GF have Xiaomi Redmi Note and she have this option. THANKS! btw, i got Xiaomi m2a + MIUI-4.10.17 maybe someone know about older version that have "data roaming" option? or maybe MIUI 6 + m2a got this option?