Try UPTool_Ver2088 version (release).
Possible flash models
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[ 1CE]MT29F64G08CBCDB
MT29F 128G08CECDB
MT29F256G08CMCDB
[ 1CE]mt 29 f 64g 08 CBC db- 1
[ 1CE]fnnl 84 b 6 1K3BAB
FNNL84B7 1K3EAB
[4CE]FNNL84B8 1K3MAB
I hope my answer will help your question.
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