Raised the issue on this forum! Had to wait for a fix from LG. Unlock your SFR C1 Now! Simply provide your details and phone serial number and we will email you the unlock code with Easy-to-Follow Step-by-Step instructions. Follow these 5 steps to make your Nokia C1 Plus network free 1.
How to unlock phone Nokia C1 by SIM unlock code.
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Also work for Samsung Galaxy S/Note/Tab series, Huawei, Xiaomi, and Lenovo, etc.