how to unsubscribe asian tips for healthy life style service?

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how to unsubscribe asian tips for healthy life style service?

My no. is 0554883103. Mistakely i had subscribed this service and i have tried to unsubscribe by sending sms UNSUB AH to 4127 but the message is not sending and this service daily decreasing my balance. hope to be problem solved very soon. 

Thank you.