GTBank BVN update is quite easy. You can get it done online without having to visit any GTBank branch in Nigeria. All you just need to do, is to fill the GTbank
BVN enrolment form online at the GTBank BVN portal and you are good to go.
The GTBank BVN linker would enable customers provide their BVN for linking to their existing GTBank account.To link your BVN, kindly do the following:-
>> Go to the GTBank Bank Verification Number Portal here
Once successful, you can try carrying out a transaction on your account (eg airtime purchase) to confirm if it has been linked, provided your account was deactivated for not linking it to a BVN prior to the update. If it has been linked successfully, your transaction should go through.
Kindly note that for GTBank BVN registration for corporate account holders, you have to go to the nearest GTBank branch as explained here.
Recommended : How to link BVN to GTBank Account at ATM