Download Android Jelly Bean 4.1.2 stock firmware for Oppo Finder X907 Smartphone from here or from here.
Firmware details
Archive: OPPO_Finder_X907_4.1.2_20160912
Image: OPPO_Finder_X907_SJJL_ROM_20160912A.zip
Archive file size: 428 MB
Platform: Qualcomm Snapdragon S3 MSM8260
Build number: msm8660_surf-user 4.1.2 JZO54K eng.root.20140115.164627 release-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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Build number: msm8660_surf-user 4.1.2 JZO54K eng.root.20140115.164627 release-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
Don’t miss any of our future video tutorials, follow us on Youtube. Like us on Facebook. Add us in your circles on Google+. Watch our photo albums on Flickr. Subscribe now to our newsletter.