Here is a tested guide on how to repair null imei on qualcom chip like this OPPO F1f. I use NCK Box to repair the imei. You must install OPPO drivers.
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Null IMEI,
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SHORTEDBOARD is from Pangasinan, PH. A Cellphone Technician since 2005. BS ECE graduate. A small time blogger with a simple dreams.
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If Oppo F1f dead, but detect 9006 see this
Oppo F1f 9006 Mode
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