Happy with your current phone, but not your current network, check this out on Post once, so here are some cool tips and tricks for locking up your phone and permanently unlocking your smartphone. If you want to take your phone another carrier, you must break your contract and pay a premature termination fee or pay the monthly bill for the contract lifetime. Since February 2015, US mobile phone owners have been able to ask their networks, (to create and an unpopular law passed in 2013 reversed) your lock devices to swap operators to bring the US into line with the EU. If you find yourself trying to unlock your phone, read the appropriate paperwork and ask them to speak back a parent and armed with knowledge of your legal rights. Pc Themes Software. If you refuse or you just do not want to install your SIM card, you can install it later by opening the SIM Tray with a paper clip, removing the old SIM card (if any) and inserting it.