Do you have Tmobile or another GSM carrier and you want to use your Nokia 5300 with your current service provider? You will need to get your Nokia 5300 unlocked. Dr. Cell Phone can provide you with an Nokia 5300 unlocking service. (This feature will not work with CDMA phones- Verizon, Sprint PCS, Metro PCS, Cricket, Boost, or any other service provider not using a SIM card) This service includes PARTS and LABOR. Please select shipping options when you checkout. The Nokia 5300 Unlock Service offers a fast turnaround time.