The #3307# Code on iPhone: Meaning and Use Explained in this Easy Guide
Dialling #3307# is as useful as singing, “London Bridge is falling down”. It won’t boost your cellphone signal or unlock any extra battery power.
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The #3370#, *3370#, #3307# Codes: Meaning and Uses Explained
Dialling #3370# or *3370# is as useful as singing, “Twinkle, twinkle little star”. It won’t boost your cellphone signal or unlock any extra battery power.
