Dual SIM
N/A
双卡双待
Dual SIM · N/A · 双卡双待 · DOO-ul sim · two SIMs · dual SIM dual standby · Internet · mobile · carriers · everydayInternettwo SIMs dual SIM dual standby/DOO-ul sim/
Also known as: two SIMs, dual SIM dual standby
Last updated August 9, 2026
Definition
Dual SIM lets one phone use two numbers or plans at once — for example work and personal, or home carrier plus travel data.
Real-World Example
Keeping a home number on one SIM and a travel eSIM on the other avoids missing calls while abroad.
References
Related terms
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