1. How to check balance 如何查詢還剩費用和流量:
• Press *101#: to check the core balance. 撥打*101可查詢剩余額度
• Press *102#: to check mobile number & all balances: core, promotion, data 撥打*102#可查詢電話號碼和所有費用、流量、數據等；
2. How to make International call /sms and check tariff 如何撥打國際電話和發送短信:【使用撥打電話功能時，需額外增值方能撥打，此卡無通話費用】
2.1 How to make international call/sms 如何撥打國際電話和發送短信中:
• Int’ call: Press ‘00’ or ‘+’ + Country code + Number and press call button 撥打00或+ +國家編碼+電話號
• Int’ sms: Send SMS to ‘+’ + Country code + Number
2.2 How to check the tariff/ where to buy SC 查詢收費和在哪購買SC請訪問我們的網站:
• Visit our website: www.vietnamobile.com.vn
3. How to top up 如何充值:
• Buy Vietnamobile scratch cards (at Circle K or other VNM shops) & slightly scratch the silver layer to know the code (12 digits)在OK便利店或者其他VNM的運營商店購買充值卡；
• Press *100*code# and call button 撥打*100*+充值卡編碼#+撥打通話按鈕
• After a successful top up, you will receive an SMS of balances 充值成功後會收到充值短信；
