1. Imagine ur cell battery is very low, u r expecting an important call and u don't have a charger.
Nokia instrument comes with a reserve battery. To activate, key is "*3370#"Ur cell will restart with this reserve and ur instrument will show a 50% incerase in battery.
This reserve will get charged when u charge ur cell next time.
2. Type *#0000# & then call(green) key which Displays your phones software version
3. *#9999# Phones software v ersion if *#0000# does not work
4. *#06# For checking the International Mobile Equipment Identity (IMEI Number)
5. *#2640# Displays security code in use
6. *#7780# Restore factory settings
You can use these tricks at your own risk.

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