How to unlock Lenovo S5 Pro bootloader

How to unlock Lenovo S5 Pro bootloader
How to unlock Lenovo S5 Pro bootloader

On this, Post we will be giving you steps on How to Unlock Lenovo S5 Pro Bootloader. So before installing TWRP Recovery or any custom recovery on your Lenovo S5 Pro device, your Lenovo S5 Pro bootloader should be unlocked first. If you unlock the bootloader of your Lenovo S5 Pro, you have voided the warranty from the company to you. By Unlocking the Bootloader of your device, you can install recovery, Flash Rooting file or custom ROM.

Lenovo S5 Pro Spec 

  • Brand – Lenovo
  • Model – S5 Pro
  • Device Type – Android 4G Smartphone
  • CPU – Octa-core 4x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260
  • Chipset – Qualcomm Snapdragon 636, 64-bit Processor
  • GPU – Qualcomm Adreno 509
  • Camera – Dual: 12 Megapixels + 20 Megapixel with Single-LED and AF Dual Rear Camera | 20 Megapixel + 8 Megapixel Dual Front camera
  • Memory – RAM- 6GB | ROM 64GB/128GB External Memory Support Up to 256GB
  • Display – Screen size 6.2 inches FHD+ IPS Display (2246 x 1080 Pixels), 19:9 Ratio
  • Battery – Non-Removable 3500 mAh Lithium-Polymer
  • SIM – Dual SIM (Nano-SIM + Nano-SIM)
  • Sensors – Proximity Sensor, Accelerometer, Compass, Ambient Light, Fingerprint, Infrared Face Recognition Sensor
  • Color – Black, Blue, Gold
  • Operating System – Android 8.1 Oreo with ZUI 5.0
  • I/O Interface – 1x Nano SIM Card Slot, 1x Nano SIM Card Slot, TF Card Slot, Type-C USB, Headphone Jack, Power Button, Volume Button, Microphone
  • Dimensions – 75.45 mm x 154.5 mm x 7.7 mm
  • Weight – 170 Grams (with Battery)

What is Unlock Bootloader?

A Bootloader is a code which runs on every device when turning on. This code helps initializes some hardware and then loads ramdisk and the kernel, and gets the boot process going. So this process is known as Bootloader. The same concept applies to all the technical stuff such as Laptop, PC, Smartphones and any such device. Every Android OEM manufacturers lock the bootloader even though it is an Open Source. So if you want to try any CUSTOM ROM, it is impossible to load the CUSTOM ROM without the Unlock Bootloader. So Manufacturer made a policy of making the smartphone with Unlocked Bootloader will void the warranty. They want you to stick with the Stock ROM. Unlock Bootloader allows you to Root your android smartphone, Flash TWRP and Custom ROM in a simple easy method.

Before Unlocking your bootloader, I just want to warn you that By doing this, you will lose your warranty and sometimes brick your device. So Do read carefully before  Unlocking your device.

Follow the guide below to Unlock Lenovo S5 Pro Bootloader, please you are warm not to try this on other smartphones. This method to unlock Lenovo S5 Pro bootloader is simple to follow. please do read the below steps below carefully.

How to Unlock Lenovo S5 Pro Bootloader

Now you can unlock bootloader easily by following this simple guide on How to Unlock Bootloader on Lenovo S5 Pro. Official Bootloader Unlock for Lenovo S5 Pro will also void the device warranty. So if you planning to unlock Lenovo S5 Pro bootloader, then it’s always better to wait until your warranty gets over. In case if you have unlocked the bootloader, then you can always re-lock the bootloader on your device anytime.

What you need:

  1. This Update is only for Lenovo S5 Pro users.
  2. You need Laptop or PC.
  3. Working USB Cable.
  4. Charge your phone to at least 70% battery.
  5. is not responsible for any damage to your phone while installing this Update.
  6. Make sure that you have latest USB drivers installed.
  7. Download Mi Flash Unlock tool
  8. Download the adb and fastboot driver / adb folder
  9. Take a complete backup of your phone and then proceed.

Steps to Unlock Lenovo S5 Pro Bootloader

  • Go Here Enter Require Device Details Like IMEI, Serial Number & Email address.
  • Now Click Submit the application. Wait until You Will Receive unlock_bootloader.img File via Email
  • On Phone Enable developer options. (Press Build Number 7 times)
  • Enable USB Debugging and Oem unlock From Developers Options
  • Download & Install adb fastboot Driver
  • Download & Setup Adb tools
  • Now Move unlock_bootloader.img File in Adb folder
  • Reboot Phone to bootloader Connect to PC with USB
  • Go to Platform tools Folder and on top address bar type cmd and hit enter
  • on Command Window type below code to unlock the bootloader
fastboot flash unlock unlock_bootloader.img
  • Done. Your Phone Start itself With factory Reset.


  1. site always fails registration with an ‘invalid imei’ error. checked imei billion times, their website is the error. cannot register device.


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