In case your SIM can be blocked by the Federal Board of Income (FBR), then no want to fret, this SIM might be reinstated.
Personal web site In accordance with FBR, the cellular SIMs blocked by the FBR might be restored by the involved commissioner of Inland Income following submitting the revenue tax returns.
In accordance with the web site, there are additionally circumstances during which non-filers have submitted returns following SIMs have been blocked, however now wish to restore their SIMs.
The web site mentioned that there are two methods to revive a cellular SIM blocked by FBR.