Download Otto Stock Rom for all Models

Updated on October 1, 2019

Otto Stock RomOn this page, we have shared the Otto Stock Rom (Original firmware) for all Otto Smartphone and Tablets.

All the following Otto Stock Rom (zip file) contains original Otto USB Driver, Flash Tool and the Flash File. After Downloading the firmware, follow the instruction manual to flash the firmware on your device.

Otto 8X Stock Firmware (Flash File)

Model: Otto 8X
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 700 MB

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Otto A8 Plus Stock Firmware (Flash File)

Model: Otto A8 Plus
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 553 MB

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Otto A9 Stock Firmware (Flash File)

Model: Otto A9
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 779 MB

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Otto F3 Pro Stock Firmware (Flash File)

Model: Otto F3 Pro
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 698 MB

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Otto F3s Stock Firmware (Flash File)

Model: Otto F3s
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 711 MB

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Otto F5 Stock Firmware (Flash File)

Model: Otto F5
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 809 MB

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Otto F7 Stock Firmware (Flash File)

Model: Otto F7
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 682 + 810 MB

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Otto F9 Stock Firmware (Flash File)

Model: Otto F9
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 600 MB

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Otto G6 Stock Firmware (Flash File)

Model: Otto G6
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 546 MB

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Otto J7 Stock Firmware (Flash File)

Model: Otto J7
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 710 MB

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Otto J7 Duo Stock Firmware (Flash File)

Model: Otto J7 Duo
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 437 MB

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Otto Mark II Stock Firmware (Flash File)

Model: Otto Mark II
Country: All
Android Version: 6.0
How to Flash: See Instructions
Download Size: 1 GB

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Otto Mate 7 Plus Stock Firmware (Flash File)

Model: Otto Mate 7 Plus
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 468 MB

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Otto Note 8 Stock Firmware (Flash File)

Model: Otto Note 8
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 778 + 816 MB

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Otto P20 Stock Firmware (Flash File)

Model: Otto P20
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 556 MB

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Otto P20 Pro Stock Firmware (Flash File)

Model: Otto P20 Pro
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 775 + 809 MB

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Otto R11S Stock Firmware (Flash File)

Model: Otto R11S
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 698 MB

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Otto R15 Pro Stock Firmware (Flash File)

Model: Otto R15 Pro
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 810 MB

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Otto S9 Stock Firmware (Flash File)

Model: Otto S9
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 817 MB

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Otto S9 Plus Stock Firmware (Flash File)

Model: Otto S9 Plus
Country: All
Android Version: 5.1, 4.4.2
How to Flash: See Instructions
Download Size: 826 + 574 MB

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Otto U2 Stock Firmware (Flash File)

Model: Otto U2
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 467 + 469 MB

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Otto V7 Plus Stock Firmware (Flash File)

Model: Otto V7 Plus
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 784 + 810 MB

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Otto V9 Stock Firmware (Flash File)

Model: Otto V9
Country: All
Android Version: 5.1, 4.4.2
How to Flash: See Instructions
Download Size: 456 + 809 MB

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Otto V9 Plus Stock Firmware (Flash File)

Model: Otto V9 Plus
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 682 MB

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Otto Xs Max Stock Firmware (Flash File)

Model: Otto Xs Max
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 673 MB

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Otto Y69 Stock Firmware (Flash File)

Model: Otto Y69
Country: All
Android Version: 5.1
How to Flash: See Instructions
Download Size: 713 MB

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Readme Once:

[*] After flashing the Otto Stock Rom on your device, you may need to flash the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then make sure always flash the Original IMEI that comes with your device.

[*] Otto USB Driver: If you are looking for the original USB Driver then head over to the Otto USB Driver page.

[*] Request Firmware: If you are looking for any specific firmware that is not listed above, then you can request it through the comment box below (do not request firmware through contact page or else it will be ignored).

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