If you want to unlock the Microsoft Lumia 640 LTE with the IMEI code, we can do this no problem; all Microsoft mobiles are unlocked by code. After introducing the code the mobile will be unlocked, without losing its warranty or any data. These unlock codes are calculated in minutes, and you will instantly have your phone unlocked forever!
1. - Turn on the handset on with a SIM card not accepted by the device (your new network operator)
2. - If the card has a PIN number, enter it and press OK.
3. - The device will prompt: “PIN UNLOCK”, Now enter the code and press OK.
4. - Your cellphone will indicate: "The operation was successful", becoming permanently unlocked.
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