- Title: Infinix Note 50X 5G X6857B
- Listed: October, 2025
- Last modified: 07/28/2026 8:08 am
- Version: ROM Android 15
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DESCRIPTION
ROM Mobile Infinix Note 50X 5G X6857B – ROM Android 15
ONLY MT6878
Update ROM Official Infinix Note 50X 5G X6857B version: X6857B-15.1.2.165SP05(IN001PF001AZ) – full_x6857_h782-user 15
Update ROM Official Infinix Note 50X 5G X6857B version: X6857B-15.1.2.145SP01(IN001PF001AZ) – full_x6857_h782-user 15
ROM Official Infinix Note 50X 5G X6857B version: X6857B-15.0.3.129SP02(IN001PF001AZ) – full_x6857_h782-user 15
Gapps include – No Rooted
Language support : Multilang
Install ROM :
- Unpack FlashTools, and Click on Flash_tool.exe
- Under Download-XML, Click on the Choose button.
- Locate the XML File in the rom called "…Android_scatter.xml"
- if you have the file "Authentication File" also located in the decompressed rom
- Click the "Download" button
- Connect your Mediatek Device to the computer using the USB Cable (make sure it is power off).
- After connecting the device to the computer Press Volume Down or Volume Up key, so that SP Flash Tool can detect the device.
- Once the computer detects the device, the flashing or installation process will begin automatically.
- the installation process is completed, a Green Ring will appear.
- Finish !
- Close the SP Flash Tool and disconnect your Mediatek device from the computer.
※Please make a backup of your device before installing or updating ROM


Member Info
where is the auth file its not there in firmware