He claimed he was stationed at Camp Joyce, a remote base in eastern Afghanistan.
In the UK on a student visa, he used a picture of a soldier wearing full military uniform as his profile picture.
They also found several false Nigerian passports and driving licences.
In July last year Judge Eleri Rees QC told him he had created a “tissue of lies”.
Around 7.8 million UK adults used online dating sites in 2016, up from just 100,000 in 2000.
But just as dating app users are at an all-time high, so is the number of people becoming victims of online dating fraud.