- Every mobile phone has one connection either it is GSM or CDMA. GSM is Global System of Mobile Communication & CDMA is Code Division Multiple Access.
- Every mobile phone has an IMEI (International Mobile Equipment Identity) number which can be visible after pressing * #06# and It is a 15 digit number which shows the genuiness of your mobile phone.
- You must note down your IMEI number with you because if your handset is being stolen, you can block the IMEI number then your handset will not work with any SIM card.
- SIM card is Subscriber Identity Module which securely stores the information regarding a subscriber or IMSI (International Mobile Subscriber Identity).
- Every SIM card contains a PIN (Personal Identification Number) to protect the mobile phone from unauthorized use. This is given to every customer on the purchase of a new SIM.
- If you entered the wrong PIN number three times, your SIM card will be blocked and it will only unlock after getting the PUK (Personal Unlocking Key) from your Service provider.
चुनावी साँप -सीढ़ी
3 weeks ago
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