Download latest Android 4.4.2. KitKat stock firmware for Infocus IN810 smartphone from here or here. Download another Infocus firmware from here.
Archive name: Infocus IN810 fw
Model: Infocus IN810 smartphone
Archive size: 561 MB
Image file: VKY-5200-0-15CN-A02-update.zip
Platform: Qualcomm Snapdragon 600
Build number: IN810_15CN-user 4.4.2 KOT49H 15CN_5_200 release-keys
Archive name: Infocus IN810 fw
Model: Infocus IN810 smartphone
Archive size: 561 MB
Image file: VKY-5200-0-15CN-A02-update.zip
Platform: Qualcomm Snapdragon 600
Build number: IN810_15CN-user 4.4.2 KOT49H 15CN_5_200 release-keys
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