Lenovo S998

This time I will share a tutorial on how to flash Lenovo S99 uses Flash files. With computers in an easy and tested way on our devices. In this article, you will find Lenovo S99 Firmware. official download link flashing tutorial and flash tool. Download Lenovo S99 stock ROM from here. Flash it in your device and enjoy the native Android experience again.

Lenovo S99 Firmware Flash File [Stock ROM]

There are various reasons to flash (Firmware on Lenovo S99).

For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it.  If you’re going to hard reset your phone and cannot access the recovery menu. But most of the problems and benefits that cause flashing stock ROM are below.

The Benefit Of Firmware:

  • Flash Stock ROM to unbrick your Lenovo S99
  • Update and downgrade
  • Unroot or fix bugs on the phone
  • To solve the lag or stutter
  • By flashing Stock ROM, you can fix software issues.
  • Revert to stock to get your warranty
  • Keeps rebooting issue
  • If your phone boots straight into recovery
  • Phone boots straight into its bootloader

Requirements To Flash Lenovo S99 Stock ROM:

  • Charge your mobile: Your phone may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

1. Take Lenovo S99 Full Backup

Before going to install Lenovo S99 stock ROM you need to take a backup of all your messages, photos, and apps from your smartphone.

Most smartphones automatically make a backup in the background. But to make sure you take everything to your new device, you need a full backup.

How To Backup Android Phone Before Flashing Stock Firmware

2. Download Lenovo S99 Flash Tool And Drivers:

A.  Download and install Lenovo S99 Drivers. The necessary communication between your device and PC.

These drivers are mainly for the devices powered by SPD chipset. With these drivers, you can transfer files, flash the firmware files on the device, etc.

B. We use the Spreadtrum flash tool for as Lenovo S99 Flash Tool because of this tool is very efficient and support all kind of SPD phones.

Instructions to Flash Lenovo S99 Stock ROM:

1: Download and install SPreadtrum USB Driver on your computer.

2: Download Lenovo_S998_S731_150706_SPD file.

3: Extract Spreadtrum Upgrade Tool on your computer.

4: Now open Spreadtrum Upgrade Tool .exe.

5: Once SPreadtrum Upgrade Tool is Launched, Connect your device to the computer (Make sure your device is switched off).

6: Once your Smartphone is connected successfully to the computer, click on the Load Packed Button and add the Lenovo S99 ROM file. (having .pac extension)

7: Once you have successfully added the. Pac file in SPD Upgrade Tool, click on the Start Downloading button to begin the flashing process.

8: Wait for 2 – 10 minutes, as the device is in the flashing process.

9: During the flashing process, your device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in SPD Upgrade Tool.

10: Close the SPD Tool on your computer and disconnect your Android Smartphone from the computer.

Congratulations, You have successfully installed Lenovo S99 Stock ROM using SPD Flash tool.


  • Please read and understand the Full Guide before flashing “Lenovo S99 Firmware”.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device, resulting from the use of information in this guide.
  • Before flashing, Stock ROM on Lenovo S99 must have a 70–80% charge.

Bin Packet load Error When Flashing “Lenovo S99 Stock Firmware File”: If you ever got Bin Packet Error then simply download and try flashing the firmware with this version of SPD Upgrade Tool.

How to Write IMEI After Flashing Lenovo S99 Stock Firmware File: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI on Spreadtrum Devices.

Lenovo S99 Firmware Details:


Gapps: Included No Root
Device Supported: Lenovo S99 No Twrp And Nand Backup
Tool Supported: SPD Flash Tool No Customization And Over cloaking
Soc: SPD No ADB Ad Block
Os: Android 4.2.2 Pre-installed OEM apps

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