SIM Card & eSIM Options

Problem

Travelers cannot receive verification codes or make local calls.

Root Cause

• Foreign phone numbers often not supported for SMS verification in apps.

Fix / Solution

• Purchase local SIM with data plan.
• eSIMs for short-term travelers can be purchased online.

Miles’ Tips

• Some metro stations sell temporary SIMs.
• Airport SIM kiosks are convenient but expensive.

Recommendations

• Airalo (eSIM), China Unicom Tourist SIM
• Keep QR code of SIM purchase for top-ups.

Local Hacks / Money-saving Tips

• Share data among family via hotspot to reduce multiple SIM costs.