Another MTN Sim Blocking Despite The Ugrade Of Registration? See Photo Of A Naijaloadite In Abia State

A Naijaloadites sent this Mail to Us:-
Woke up this morning to make a call
using my mtn line and I was told my
sim has been blocked despite the
upgrade of registration I did.
Attached to this are pictures of
people queuing at mtn office here in
Abia state.