How to Lock a BSNL Phone

How to Lock a BSNL Phone; Bharat Sanchar Nigam Ltd., abbreviated as BSNL,is one among the most popular telecommunication companies in India. BSNL provides pioneer cellular services to its customers such as call transfer, broadband services and locking the phone against improper user. You need a secret code in order to lock your phone from making international(ISD), Domestic(STD) or local calls.

1. First choose a four-digit number for your secret code. Make the number something that you can easily remember, and difficult for others to guess.

2. Dial 123. Punch twice the secret code. For example, if 1979 is your secret code, you dial 123 1979 1979.

3. Wait for confirmation. Disconnect, when confirmed.

Lock Your Phone from Making Local Calls

1. Dial 124.
    
2. Punch your secret code, followed by 4.
    
3. Wait for confirmation. Disconnect, when confirmed.

Lock Your Phone from Making STD and ISD Calls

1. Dial 124.
    
2. Punch your secret code, followed by 1.
    
3. Wait for confirmation. Disconnect, when confirmed.
    
4. Dial 124, followed by the secret code and 3, if you want to keep STD and lock ISD calls