Obi Firmware Downloads
This page lists 48 Obi firmware and device files available to download on File Firmware. Each entry below links to a dedicated page with the file name, size, release date and step-by-step usage notes. Always confirm a file matches your exact device model before flashing, and back up your data first.
Obi
Obi S452
Obi_S452_MT6572_V02.02_150814_4.4.zip
Obi S452 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S551
Obi_S551_MT6582_India_KK_V0.8.4.2_S1010.zip
Obi S551 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
OBI MV1
OBI_MV1_V1.2.5_20160122_5.1.1_QFIL.zip
OBI MV1 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or re…
Obi
Obi SJ1.5
Obi_SJ1.5_MT6580_5.1_v1.7.1_151014.zip
Obi SJ1.5 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or …
Obi
Obi S501
Obi_S501_MT6572_6572_4.4_V02.02B07.zip
Obi S501 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S450
Obi_S450_MT6572_V12_4521W.zip
Obi S450 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S452 Plus
Obi_S452_Plus_MT6572_6572_4.4_V02.02B04.zip
Obi S452 Plus Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade,…
Obi
Obi S503 Plus
Obi_S503_Plus_MT6582_V8_20141020.zip
Obi S503 Plus Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade,…
Obi
Obi S451
Obi_S451_MT6572_20140731.zip
Obi S451 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S550
Obi_S550_MT6582_V4_20140827.zip
Obi S550 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S520
Obi_S520_MT6592_20140717.zip
Obi S520 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S503
Obi_S503_MT6582_V13_20141021.zip
Obi S503 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi SF1
OBI_SF1_V2.9_151216.zip
Obi SF1 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or re…
Obi
Obi S500
Obi_S500_MT6572_4.2.2.zip
Obi S500 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi MV2
Obi_MV2_MT6580_V1.8_R2_20171127.zip
Obi MV2 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or re…
Obi
Obi S454
Obi_S454_MT6582_KK_V0.9.4.1_S1106.zip
Obi S454 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S453
Obi_S453_MT6572_4.4.2.zip
Obi S453 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi SJ2.2
Obi_SJ2_2_MT6580_20170905_5.1.zip
Obi SJ2.2 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or …
Obi
Obi S502
Obi_S502_MT6582_V7_20140814.zip
Obi S502 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S401
Obi_S401_MT6572_V8_20140926.zip
Obi S401 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi SJ1.8
Obi_SJ1.8_MT6580_V1.5_20170803_5.1.zip
Obi SJ1.8 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or …
Obi
Obi S507
Obi_S507_6FA6_ZP1_P5002.zip
Obi S507 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S400
Obi_S400_4.2.2_MT6572_2nd_Update.zip
Obi S400 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Obi
Obi S506
Obi_S506_MT6582_28102015.zip
Obi S506 Stock Firmware (Flash File)
The Flash File will help you Upgrade, Downgrade, or r…
Frequently asked questions
Are Obi files free to download?
Most Obi files on File Firmware are free; any paid file is clearly marked with its price on its own page.
How do I pick the right Obi file?
Open the file you need and check the model, version and file size on its page. Match these to your device before downloading or flashing.