Update Lenovo S850 to the Latest International Firmware ROW_S215


Update Lenovo S850 to the Latest International Firmware ROW_S215 – Latest international version firmware for Lenovo S850 already available to install using flash tool method, and today i will post how to update your Lenovo S850 or flashing Lenovo S850 to the latest firmware using flash tool method.
This guide will show you the step by step how using flash tool to upgrade or downgrade your device firmware, this guide is dangerous to be follow if you don’t know anything about Android because playing Android ROM on your device is very dangerous. This guide will update your Lenovo S850 to the latest international firmware version with build number S850_ROW_S215_150114, This is for Lenovo S850 buy on outside china country but this firmware reported also compatible with Lenovo S850 buy inside china country.

Disclaimer :
This guide for educational purpose only, We not responsible if your device bricked after following this tutorial. Even this guide is already tested but it has possibility to brick your phone, Until now i still cannot fix Lenovo S850 that have signal lost problem so do with your own risk (DWYOR)

ROM Descriptions :

  • Build Number : S850_ROW_S215_150114
  • Date : 14.01.2015
  • OS : Android 4.4.2 KitKat (Vibe UI v1.5)
  • Languages : Russian , Ukrainian, English, Arabic, Spanish, French, Chinese, Vietnamese, Indonesian, Malaysian, Thai
  • Google Applications : Include
  • Root : Not
Downloads :
  • S850_ROW_S215_150114 1.1 Gb, this download contains everything you need to update your device to ROW_S215
  • USB VCOM Driver  Install this driver first on your computer, Turn off your device and remove the battery, using USB cable connect your device while look at My Computer  Manage  Device Manager there will be MTK65xx Preloader Devices show up for 5 second than disappeared, before disappeared right click on it and select Update Driver Software point it to USB VCOM Driver extracted folder. When it finish disconnect and connect again there will be Mediatek PreLoader USB VCOM Port on your device manager.
  • SP Flash Tool v3.1324 ↦ this flash tool is optional download, you already got this flash tool on ROM download but it very recommended to use only this version.
How to Flashing ROW_S215 firmware to your device
  1. First that you need to do is to make sure that USB VCOM driver is completely installed on your computer and make sure it work. 
    • turn off your device and remove the battery, If you device using non removable make sure that your device is completely turn off
    • open device manager on your computer
    • connect your device using USB cable
    • there will be MTK65xx Preloader Devices show on your device manager, PORT section for 5 second or less and then disappear 
    • disconnect and connect your device again, right click on MTK65xx Preloader Devices before it disappear, select Update Driver Software 
    • point it USB VCOM extracted folder, and install the driver from there.
    • disconnect and connect your device again, there will be Mediatek PreLoader USB VCOM Port on your device manager PORT section.
  2. Installing firmware to your device
  3. Changing country code, After flashing new firmware is success you need to change regional code or factory reset your devices :
    • go to dialer and dial ####862#
    • Choose RU or UA 
    • Confirm, the phone will reboot and install the region code on recovery mode.
    • go to dialer and dial ####777#
    • this will do factory reset on your device.
  4.  Done. Confirm your build number, it must be same with downloaded ROM 
Congratulations, you have successful update your device to the latest international firmware, please check for any problem on your device if you got problem you can leave comments or if you found any broken links you can contact me or leave any comments. Thank You

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Along Sky
6 years ago

hi andy can send video I do not understand

6 years ago
Reply to  Along Sky

For video i cannot help you. Sorry, just try to follow the step

Zulkarnain Saad
6 years ago

show me link to download n install usb vcom driver

6 years ago

sorry i can't but you can go to youtube.com and search install usb vcom driver. you will found many just select the number one

Arun Goyal
6 years ago

Hello Sir,
I have lenovo S850 ROOTED..
when i try for ota update in my phone, it stops at approxiamately 31%..
so kindly help me to update my phone via ota update..

6 years ago
Reply to  Arun Goyal

When you do pta update it show the installation logs, i could not help you if i don't know the error so i need to know the error

Arun Goyal
6 years ago
Reply to  Arun Goyal

where to find the log file

6 years ago
Reply to  Arun Goyal

On your screen display, and one more OTA updatecan only be done if you using lenovo standard recovery if not it will return an error because recoverycannot do verification about update package

Arun Goyal
6 years ago
Reply to  Arun Goyal

I am using the original stock recovery and when I am making ota update, it stops at 31% and does not shows any error.. Its just stops and says failed..

6 years ago
Reply to  Arun Goyal

OTA update need several conditions, i am afraid with ROOTED device you already broke one or more requirement to do OTA update,
1. must use standard recovery
2. not change files on the /system/app –> root install on /system/app so it change the files
3. update package must have lenovo sign sync with recovery

i think that the possible happen. suggestion do manual update to your phone, but first do backup NVRAM http://bit.ly/1NAIRs3, because Lenovo S850 once it missing IMEI you will also missing your communicate ability

MuRenz Collantes
5 years ago

Cannot send messages and calls.

5 years ago

loo for your IMEI with *#06# if it show invalid then you must restore it, first try using MAUI 3G http://bit.ly/1teLvmQ, if still cannot show IMEI then your NVRAM partition is misisng, yo mmust restore it using this http://bit.ly/1YEKzM6