Originally posted by DaveB
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https://community.giffgaff.com/t5/Bl.../ba-p/17747164
Best Dual-SIM Phones 2017: Top Dual-SIM Smartphone Reviews & Buying Advice - Tech Advisor
Acitve = both sims can active be used SIMULTANEOUSLY
Standy By = When one sim will be IN USE (e.g. when talking) the other will be on STAND BY.
Both the types can receive calls and does not need to be manually switched.
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