Download Android Jelly Bean 4.2.2 stock firmware for CoolPad F1 8297W smartphone from here or from here. Download previous firmware from here.
Archive name: Coolpad 8297w MIUI_v6 4.2.2 fw
Image: Coolpad8297w_MIUI_v6.zip
Archive file size: 349 MB
Model: CoolPad F1 8297W smartphone
Project: bird92_wet_jb9
Platform: Mediatek MT6592
Build number: Coolpad 4.2.2 JDQ39 042 release-keys