You can purchase up to maximum of 2 TNG Charm within the TNG eWallet Lazada eShop. Please note that you are only able to register up to maximum 15 TNG card/charm in each TNG eWallet account.
You have the option to delink the card/charm if you have maxed out the available slots for charm/card registration in the TNG eWallet app. To delink your old card/charm, simply click on the “More Options” icon on the top right corner of the specific card/charm from the card/charm list carousel. Then, proceed to click “Remove Card” icon and confirm your selection. You should then add your TNG Charm and proceed to use it.