How does digital wallet work with low mobile signal?

Will a Weak Signal Keep Me from Paying with My Digital Wallet? Apple does not require an internet connection or cellular data because

Google Wallet gives you fast, secure access to your everyday essentials Take the train, tap to pay in stores, and more with your digital wallet

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wallet autowin  Wallet ID Verification Code Enter Verification Code Login with Username Remember Me Virtual Keypad Setup Online Access Start managing your