Every Nokia phone comes with default code 12345. If you care about security of your phone or personal information like contacts, photos or anything important that you put on your handset, this code can be essential. You can set your phone to lock on SIM card changes. You can also use this code on your key guard. However, some models may not support this feature. In that case you can use mobile anti-virus software to enable it. So it’s important change default code & uses it for security. But lots of people tend to forget this code because they don’t use it so often. And once forgotten Nokia won’t help you to recover it.
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