Overview: Thin circuit easily fits inside your SIM card slot Excellent signal reception No cell phone hardware modification or technical support required Works as soon as you plug it in Safe, secure & cheap Unlocks without breaking the phone's warranty Long lasting & durable Compatible models: refer to photo display Note: color of the item might varies depends on our inventory status. Installation Instructions: Step 1: Cut your SIM to fit for the IC chip of unlock card. Step 2: Put the SIM unlock into the slot of SIM tray Step 3: Attach SIM card together with SIM unlock Step 4: Slide the SIM tray into the Phone SIM cabinet Specification: Dimensions: 0.98 in x 0.59 in x 0.04 in Weight: 0.14