To Check PIN Change:

1.    Dial *225# on your mobile
2.    Enter with your 4 digit MYCash PIN
3.    Choose “MYCash Info” by replying “6”
4.    Choose “PIN change” by replying “3”
5.    Enter  4 digit New PIN
6.    Re-enter New PIN to confirm
7.    After the transaction you will get SMS from MYCash with your new PIN.

PIN Change through SMS or WAP :