Keygen Serial Number Photoshop Cs6. Instructions Step Call your cellular service provider. Tell the representative that you are considering using your device with another service provider and need the unlock code for your phone. He or she will obtain some information from you about your device and then file an unlock code request with Motorola. Usually this process takes one to three days but, once the code is sent back from Motorola, it is then emailed to you at the address you provided to your carrier. Step For GSM-style Motorola phones, place the SIM card from the other provider in your phone. How To Check If Phone Is Unlocked With Imei. Unlocked Lg G2 Phone For Sale.