Download Android 4.1.2 stock firmware for ZTE N909 smartphone from here or from here. Download previous firmware from here.
Firmware details
Archive: ZTE N909 4.1.2 fw 20150625
Archive size: 166 MB
Platform: Qualcomm MSM8625Q
Platform: Qualcomm MSM8625Q
Image: ZTE_N909_SJJL_ROM_20150625.zip
Build number: msm8625-user 4.1.2 JZO54K eng.root.20131104.165558 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.
Build number: msm8625-user 4.1.2 JZO54K eng.root.20131104.165558 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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