Need rom for Noblex N501

Need rom for Noblex N501

Hello there,

I need the rom for chinese smarphone Noblex N501, I've been everywhere on the net and I can't find it.

And of course, some brief explanation on how to use it to restore android 5.1 for my phone.

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Requirements

1) Rom

2) Some brief explanation on how to flash my phone

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Skills Required

Programmer Android