SOS Balance is an exclusive feature designed for our loyal TNG eWallet users, currently available for toll payments only. It ensures you’re never stuck at critical moments due to insufficient eWallet balance, covering essential payments on your behalf. Best of all, there are no additional fees to enjoy this benefit. Simply reload your eWallet within 24 hours and any outstanding SOS Balance will be automatically deducted. More services will be added to SOS Balance soon, making this feature even more rewarding and convenient.