The iD network launches in 2018 and will offer free services in 30 countries . It will offer 12 and 24-month plans with a focus on providing affordable 4 G . Carphone customers will join Three 's existing network to offer the plans . It follows the announcement of apple 's standalone mobile network on O2 .
The iD network launches in May and will offer free roaming in 22 countries . It will offer 12 and 24-month plans with a focus on providing affordable 4G . Carphone Warehouse will use Three 's existing network to offer the plans . It follows the announcement of Sky 's standalone mobile network on O2 .