Stock ROMFirmware Update

Install/ Update INFINIX HOT 4 X557 to Android 7.0 Nougat Stock ROM Firmware

If you were waiting for the arrival of Android 7.0 Nougat on your INFINIX HOT 4 X557, then here is a good news. Those who were wondering to install the latest Stock ROM Firmware on your device, can now rejoice as they can flash the latest software on their device.

Infinix has officially released the beta/ Test version of Stock Android 7.0 Nougat and XOS V2.2 Custom Skin for the INFINIX HOT 4 X557. The final version of the Stock Nougat ROM should be released after the testing phase gets completed, and after fixing the bugs. The Android 7.0 Nougat is latest, and predecessor to the about to be released, Android 8.0 O software. The Official Nougat Firmware comes with the various Bug fixes, Security patches, and improve overall stability of the device.

So, if you own a INFINIX HOT 4 X557, you can install the latest beta update for your device, which comes with X557-H807AD-N-170626V86, and is based on Android 7.0 Nougat. The update often aims to increase system stability and increase the performance of the device, as well as adding new features.



Optimized issue:

  • Brand new Music 2.0, optimized the interface display
  • XOS v2.2

Added Functions:

  1. Updated system version from Android M to Android N
  2. Supported Split screen for partial apps by long pressing Recent button
  3. Brand new pulldown shortcuts bar to make operations more convenient
  4. Added horizontal swipe to change wallpapers in Magazine lockscreen interface
  5. Auto-centered the icons in Dock bar; moved multi-select icons in batch under the desktop edition status

All INFINIX HOT 4 X557 owners, who have opted for Beta version, or those who are developers, may already received the OTA Update notification on their device. You might be already aware of the fact that Android Team fixes the vulnerabilities found in the operating system time to time, and releases the updates on timely manner. The OEMs, then push the Security Updates with patched/ fixed Android vulnerabilities in the form of OTA and Stock ROM updates. Updating your smartphone through OTA Firmware update do not delete the data.

The Infinix Hot 4 device was launched in 2016, and it is upgraded over the Infinix Hot 3 device. Just like the other smartphones from Infinix, which is popular as a Xiaomi competitor, the Hot 4 device also equipped with a fingeprint sensor. The smartphone launched with Android 6.0 Marshmallow factory installed, which is further upgraded to Android 7.0 Nougat now, by the company. The device boasts of a 4000 mAh battery for longer backup, which is an upgrade over the Hot 3’s 3000mAh battery. The device also has 5 megapixels front-facing camera, unlike the Hot 3’s 2 megapixel camera. The Hot 4 is equipped with a 2GB of RAM, 16GB of internal storage. The device’s back cover features the 3D Texture, which showcases the metal pleat processing. The device supports microSD card of up to 32GB, which is enough to store large number of files including videos, or pictures.

In the below guide, we will be guiding you step by step process to flash/ install latest X557-H807AD-N-170626V86 Android 7.0 Nougat on INFINIX HOT 4 X557. The download link for this Stock ROM has been added to the pre-requisite section. You can simply flash the Stock Firmware .zip or .img file manually through SP Flash Tools, if you have not received it through the OTA update.

Firmware Details:

Android Version: Android 7.0 Nougat

UI Version: XOS V2.2

Firmware Versions: X557-H807AD-N-170626V86

Model: INFINIX HOT 4 X557

Release Date: July 25, 2017

Android security patch level: July 2017

Country: NA

Status: – Beta

Disclaimer: covers although everything in a very neat and a processed manner so that our readers get exactly what they want, still there are meager chances of basic issues that may arise out of the listed steps here. Hence it is in sole interest of the user to follow the steps very cautiously so as to stay away from any mishappenings with your device.

Updating or flashing the Stock ROM firmware or Custom ROM firmware updates certainly without any doubt comes with risk to brick device. If you brick the device, while upgrading the firmware of your smartphone, then kindly be in touch with the Official Service center of Infinix near your location. in no way will be held responsible for warranty void or your bricked device.


Ensure to check your model number, which must be:

  • INFINIX HOT 4 X557

You must have to ensure that prior to rooting your phone , you have read thoroughly the disclaimer and you agree to proceed further on your risk.

  • Phone Should be Charged

Your phone must be 70% charged atleast else, it may lead to complications sometimes while experimenting. Why to take risk, try to charge it fully.

  • Back Up

If you are either going to root your phone or install a Custom ROM, it is a good habit to make a back up of your phone. Make a back up of all your media like images, videos and all on your PC and your contacts on Cloud.

  • Enable USB Debugging

You must enable USB debugging option by going in to Settings, Applications and Developer options.

Downloads For Updating INFINIX HOT 4 X557

Download MediaTek USB VCOM Drivers here (MT6xxx_USB_VCOM_drivers. zip)

Download Latest Android 7.0 Nougat Stock ROM for INFINIX HOT 4 X557 from here:

Link (Coming Soon)

Download Latest version of SPFlash Tool for Windows here.

How to update INFINIX HOT 4 X557 to Android 7.0 Nougat via OTA (Over the air)

Note: For this method, you won’t need to download any file mentioned in pre-requisite section of this article. You can directly follow the below steps, if you prefer the OTA method.

You can directly check the latest version of firmware/ software available for your device, INFINIX HOT 4 X557 by navigating to:

Settings > About Device > Software Updates

When a new software update is available for your device, the notifications panel will display the software update message. Just you need to pull down the notification bar, and then press ‘Software Update’, and this will begin the upgrade process of device X557-H807AD-N-170626V86, based on Android 7.0 Nougat.

If in-case you have not received the software update, then just follow the below guides, to flash firmware manually through either below guide. No matter which method you prefer, however, OTA is safer method to upgrade your device. But in case you prefer upgrading your device manually, then just carefully follow our below guide step by step.

How to Manually update INFINIX HOT 4 X557 to Android 7.0 Nougat Firmware

Step 1: Begin with downloading all the files mentioned above in the prerequisite section.

Step 2: Browse through the files downloaded, and then Right click on the zipped file MT6xxx_USB_VCOM_drivers. zip and extract the same. Then navigate to the extracted folder and then click on the file InstallDriver. exe. This will install the Preloader VCOM in your system.

Step 3: Assuming that you have downloaded SP FlashTool (Win) from the provided link above, Then simply click and extract the archive. Then, browse and run the file flash_tool. exe

SP Flash Tools Files

Step 4: Once the SP Flash Tools opens up, you will see the tabs like ‘Welcome’, ‘Format’, ‘Download’, ‘Readback’ and ‘Memory Test’. Just click on ‘Download Tab’ to select the same.

Step 5: Now, at this stage, on the Download Tab, you will notice the options ‘Download Agent’ with folder icon right next to the file path, as well as ‘Scatter-loading’ underneath. Just click on the folder ‘Download Agent’ and navigate to the folder of Flash Tool and then open the folder SP_MDT, and click on MTK_AllInOneDA.bin file.

Step 6: Now, click on the Scatter-loading button, and find the Scatter File from the downloaded Stock Firmware zip file, which you have downloaded. The name of the file should look like MTxxxx_Android_scatter.txt [XXXX Stands for Chipset/ processor number of MediaTek i.e. 6753 etc.].

Step 7: After selecting and loading the MTxxxx_Android_scatter.txt file under ‘Scatter-loading file’, simply click the ‘Download’ button.

Step 8: Now, remove the battery of your device, if it is removable, and re-insert again. You should connect the phone to computer in Download Mode only. To do the same, just hold down the Volume Down+Volume Up buttons simultaneously, and then connect the device to computer via USB Cable. Make sure that Volume Down+Volume Up buttons are pressed until the device is detected by PC.

Step 10: Now, hook up/ connect your INFINIX HOT 4 X557 to the computer via USB slot. Connecting your smartphone will begin the flashing process automatically, and it requires simply a few seconds to complete.

Step 7: At this point of the latest Stock Firmware on your Android 7.0 Nougat device has been flashed. Now, you may disconnect the device from computer. You will see the message with ‘Green Check mark’ with ‘Download OK’ message.

Step 8: Now, you may disconnect phone from computer, and also close the ‘SP Flash Tool’, and turn on the phone, and enjoy the latest firmware.

Congratulations, you have successfully flashed X557-H807AD-N-170626V86 Android 7.0 Nougat on your INFINIX HOT 4 X557 device. If you faced any issue while flashing, then do not hesitate to let’s know in the comments section below.

Ramandeep Singh

Meet Ramandeep Singh, the face behind The Founder and the Ex-Editor-in-Chief (2011-2013) of the renowned website '' which was dedicated to providing the most reliable and comprehensive information and analysis related to technology. A passionate and dynamic blogger, he aims to deliver quality content to IT professionals and those who share his passion for Android, technology and gadgets.

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