just dial *#1# from any handset after inserting the SIM
When you get a sim card, it has it's own unique telephone number on it. When you insert the sim card you have that number. You can however get a code and keep your existing number and use it with a new sim card.
The sim lock code can be retrieved by dealer. Simply specify the IMEI number, network and country in which it is locked. From there on it is important to use GSM sim card.
Second Life and Open sim are two different platforms, however Open sim was created using the same code as Second Life.
To change the sim card on your iPhone simply open it at the back remove the battery and replace your sim card.
A PUK code is something that pops up once you have enter the wrong PIN number 3 times. The code can be found on the back of the SIM card or you can call you customer care number and they'll tell you. Careful not to put in a wrong PUK code more than 10 times or you'll have to get a new SIM card.
SIM lock on E250
Call service provider they will ask your SIM number,you can get your SIM number back side SIM card or Its available on the receipt you got while you purchase sim card from customer care center. if you missed it somewhere dont worry, contant nearby cellone customer care center they will give you duplicate PUK code."The PUK No can be obtained from help line (9415024365) on giving mobile No. and SIM serial number. The PUK No. should be entered carefully as wrong feeding of PUK No repeatedly will damage the SIM, permanently."FOR bsnl numbers only.
There is a special code on every Model of Mobile phone as well as on the Sim card AND they are called IMEI and Unique Sim code
It is your Product Key Code Number and is on the top of the rear of the cheaply printed, black and white manual.
I dont think that you can, using a regular phone, However, if you havee ana iphone there is an application called the Spoof Id Caller.
sim no is 8991592125141397150
How to MAKE CALLS while roamingDial *131* + country code + area code (or operator code) + phone number + # sign.Example: *131*6327301000# if calling a landline or *131*639178000000# if calling a mobile and press SEND.