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Obi Stock ROM is the official Operating System (OS) of your Obi Device. The Stock ROM can be used to re-install the Operating System (OS), if in case you are facing any Software related issue, bootloop issue, IMEI issue.
The Obi Stock ROM can also be used to upgrade or downgrade the Operating System (OS) on your Obi Devices.
All the following Obi Stock ROM (zip file) contains the original Obi USB Driver, Flash Tool, and the Flash File. After Downloading the firmware, follow the instruction manual to flash or install the firmware on your device.
Download Obi S400 Stock ROM (original firmware)
Model Name: Obi S400
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 367 MB
Download Obi S401 Stock ROM (original firmware)
Model Name: Obi S401
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 524 MB
Download Obi S450 Stock ROM (original firmware)
Model Name: Obi S450
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 334 MB
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Download Obi S451 Stock ROM (original firmware)
Model Name: Obi S451
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 333 MB
Download Obi S452 Stock ROM (original firmware)
Model Name: Obi S452
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 420 + 378 MB
Download Obi S452 Plus Stock ROM (original firmware)
Model Name: Obi S452 Plus
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 420 MB
Download Obi S453 Stock ROM (original firmware)
Model Name: Obi S453
ROM Country : All
ROM Version : 4.4.2
How-to Flash : See Instructions
ROM File Size : 519 MB
Download Obi S454 Stock ROM (original firmware)
Model Name: Obi S454
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 487 MB
Download Obi S500 Stock ROM (original firmware)
Model Name: Obi S500
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 325 MB
Download Obi S501 Stock ROM (original firmware)
Model Name: Obi S501
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 416 MB
Download Obi S502 Stock ROM (original firmware)
Model Name: Obi S502
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 541 MB
Download Obi S503 Stock ROM (original firmware)
Model Name: Obi S503
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 459 MB
Download Obi S503 Plus Stock ROM (original firmware)
Model Name: Obi S503+
ROM Country : All
ROM Version : 4.4.2
How-to Flash : See Instructions
ROM File Size : 784 MB
Download Obi S504 Stock ROM (original firmware)
Model Name: Obi S504
ROM Country : All
ROM Version : 4.4.2
How-to Flash : Unknown
ROM File Size : Unknown
Coming Soon
Download Obi S506 Stock ROM (original firmware)
Model Name: Obi S506
ROM Country : All
ROM Version : 5.0.2
How-to Flash : See Instructions
ROM File Size : 682 MB
Download Obi S507 Stock ROM (original firmware)
Model Name: Obi S507
ROM Country : All
ROM Version : 5.0
How-to Flash : Run 6FA6-ZP1-P5002-Flashtool.exe and follow screen instructions.
ROM File Size : 779 MB
Download Obi S520 Stock ROM (original firmware)
Model Name: Obi S520
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 512 MB
Download Obi S550 Stock ROM (original firmware)
Model Name: Obi S550
ROM Country : All
ROM Version : 4.2.2
How-to Flash : See Instructions
ROM File Size : 540 MB
Download Obi S551 Stock ROM (original firmware)
Model Name: Obi S551
ROM Country : All
ROM Version : 4.4.2
How-to Flash : See Instructions
ROM File Size : 486 MB
Download Obi MV1 Stock ROM (original firmware)
Model Name: Obi MV1
ROM Country : All
ROM Version : 5.1
How-to Flash : Unknown
ROM File Size : Unknown
Coming Soon
Download Obi SF1 Stock ROM (original firmware)
Model Name: Obi SF1
ROM Country : All
ROM Version : 5.0.2
How-to Flash : See Instructions
ROM File Size : 990 MB
Download Obi SJ1.5 Stock ROM (original firmware)
Model Name: Obi SJ1.5
ROM Country : All
ROM Version : 5.1
How-to Flash : See Instructions
ROM File Size : 539 MB
Download Obi SJ1.8 Stock ROM (original firmware)
Model Name: Obi SJ1.8
ROM Country : All
ROM Version : 5.1
How-to Flash : See Instructions
ROM File Size : 650 MB
Readme:
[#] After flashing (installing) the Obi Stock Firmware ROM on your device, you may need to flash (install) the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then flash the Original IMEI that comes with your Obi device.
[#] Take a Backup: If you are going to flash the above firmware on your Obi, then make sure to take a backup of your data as it will be deleted after flashing the stock firmware.[#] Request Obi Firmware: If you are looking for any specific Obi firmware that is not listed above, you can request it through the comment box below .
[#] Broken link? Report here.
[#] Have we missed any device model? Let us know by contacting us via comment box