依家如果購買sim卡時，可以同你登記e-service。（服務費$25）
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Check Your Account Balance |
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Check Your VAS Balance |
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Refill Using Call-Credit Refill Card |
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Refill Using VAS Refill Card |
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Promotion Switching |
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Happy Supermouth |
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Happy Special Number |
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Send 50 Online SMS for FREE ! |
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Day Give-Away Service |
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Emergency Refill Service |
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Balance Transfer Service |
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Happy Bank |
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No Number No Talk |
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Itemised Billing Service |
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Happy Go Inter |
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VAS UP |
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*77 service lets you always keep in touch |
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call screening service |