After releasing the beta version of the android 5.1 (lollipop) for this device last month which users complained about too much bugs, infinix did step up and kept their promise by releasing the official stable version of the lollipop ROM in time. Its the first of the four infinix smart phones to receive this official update. This ROM comes bundled in with some new features for the smart phone.
The new XUI interface
Great system performance and RAM management
Ultra power saving function etc..etc
Check infinixmobility for more details.
INFINIX HOT NOTE X551(16 + 1 version only)
Use SP Flash Tool to update your device with this ROM
Learn how to use sp flash tool from here
Go to settings > About phone > System updates > Check for new version
Your phone should not be rooted. If its rooted unroot it completely or you might end up with a bricked phone after the update.
If no updates found after tapping check for new version, it means you will need to use sp flash tool (method above)
If you are in need of the default 4.4.2 KitKat Stock ROM to flash or unbrick your phone click here
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