Write an article based on this "Tap the Phone button on your J7. Dial *#06# on your phone. Copy down the IMEI number. Contact Samsung Support. Inform the customer service rep that you want to verify your IMEI. Give the IMEI number."

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You can look up your J7's unique IMEI code, which you can then verify with Samsung. This will immediately pull up a window that displays your IMEI code. If this dial code doesn't do anything, you likely have a fake device. The number should be 14-15 digits long. You can start a live chat at samsung.com/support/ or call 1-800-SAMSUNG. Explain that you're concerned your device is fake. The support rep should be able to check to see if your device is genuine. You may have to wait for a reply.