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• Can I top up (add data to) the SIM card?
• Why is my data speed slow?
• How can I check my remaining data?
• Will I receive a notification when my SIM card runs out of data or is about to expire?
• Are there any 4G/LTE data usage restrictions?
• I cannot connect to the internet even after setting the APN. What should I do?
• The antenna icon is not showing. What should I do?
• Can I use a device with network restrictions?
• My phone displays “NO SIM.” What should I do?
• My phone displays “Invalid SIM” or “No SIM card inserted.” What should I do?
• What languages does your support service offer?
• Do I need to return the SIM card after use?