How to Unlock the Microsoft Lumia 640 XL LTE

1. Insert SIM card from a source different than your original Service Provider (i.e. if you have a Rogers phone, use a non-Rogers SIM card).
2. Microsoft Lumia 640 XL LTE will ask you to enter SIM Unlock PIN.
3. Enter Unlock Code.
4. Your Microsoft Lumia 640 XL LTE  will be unlocked!

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