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Since August 2015 Infinix Lollipop upgrades had been rolled out and already been on used but the Beta versions were having few bugs which have been fixed in the recent ROM updates that you ara about to upgrade to here now.

Follow all instructions CAREFULLY!



i.) Your PC (running Windows 7 or 8)

ii.) A working USB cable

iii.) Infinix Hot Note X551 Lollipop ROM File >>Download Infinix Hot Note X551 Lollipop Here.
OR Lollipop ROM file >> For Infinix Hot Note Pro (2GB+32GB version)

Extract the file to a folder on your computer after downloading.

iv.) VCOM Drivers, which you can DOWNLOAD HERE

v.) SP Flashtool >> DOWNLOAD THAT HERE

Install the softwares - ( iv.) and ( v.) above
Once you have all those 5 tools ready, you can proceed.

Hollup! just hollup, before we Continue...

* Enable USB Debugging mode by going to settings > Developer Options > Enable USB debugging **Upgrade/Flashing will Wipe your phone memory.

Please Ensure you remove your SDcard or Back Up the files your saved in your device's Internal memory, especially Media files (Videos, Music) or whatever's important, like your Contacts, you use this App to Backup your Contact , back them up by moving the Files to your PC or memory card and remove the Memory SD card if you use one in your Infinix Hot Note.


1. Be Sure your phone (Hot Note) is Still On and very well charged. Also "Unroot your phone" if it's rooted, you can easily unroot with King Root App.

2. Go to where you Extracted your SP Flash Tool v5.1352.01, inside it, you'll find the file nameflash_tool.exe , right click and Run it as Administrator.

For the first time, it will bring a Window saying - The Scatter file cannot found, please make sure the file is exist before download.
Just ignore that by clicking OK.

3. Click SCATTER LOADING, this opens your folder. Navigate into the folder where you had extracted the Lollipop ROM file for Infinix Hot Note X551.
According to my screenshot, I saved my Rom in my Desktop.

Select the scatter file with name -MT6592_Android_scatter.txt

Wait till it completely loads up on the flash programs.

4. On the SP Flashtool, where you see Download only, click and change it to FIRMWARE UPGRADE

5. This is the tricky part, you'll pass if you follow carefully.

*** Pick up the phone, it should be still ON at this stage >> Now plug the USB
On your Flashtool, Click DOWNLOAD icon, wait for some seconds... no worries, nothing happens here.
While it is still plugged in, Now Power OFF your Hot Note Device.

Seconds later, some readings will display on the SP flash tool.

6. Give it some time, Do NOT interrupt the process (well, unless you want to brick your device)

7. When the Process is Complete and successful, You'll get a Green Check Mark saying Download OKin the Flashtool on your PC, now you can unplug your phone.

Power ON the device, Keep calm as this will take a while since it's the first time.

When it's finally On, Follow the Instructions on the Welcome message and we're done!

Congrats! Your Infinix Hot Note now runs Android Lollipop 5.1


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