All Phones

Phone name Description
Apple iPhone 6S

The Apple iPhone 6S has 4 models and variants. Generally the variants are the same device models with some different features and specifications.

3uTools Supports Downgrade iPhone 6s to iOS 10.3.3 from iOS 11

HTC 10

Note that HTC firmware (RUU) are mostly available in two formats: EXE AND ZIP. For installing RUU EXE file, see method 2 below, while for RUU ZIP file, see method 1.

++++++++++++++++ IF NOT RUU EXE FILE +++++++++++++++++++++++

Huawei Nova Plus L03 / L13

Step 1: Create a new folder on your Micro SD Card and rename it to dload.
Step 2: Download and extract Huawei Smartphone firmware on your PC.
Step 3: Now Copy UPDATE.APP and paste it the dload folder on your Micro SD card.

HTC One M8

1. Download firmware of your choice.
2. Rename firmware to (the first character is a zero, NOT A LETTER O).
3. Put renamed on your external_SD.

LG G3 D855/VS985/D850

Instructions with LG Flash Tool 2014
- Download and install LG Mobile Driver 4.1.1
- Download and install LG Flash Tool 2014 - KDZ Flash Software
- Download the official firmware for your LG G3.

Google Pixel 2 XL

1. Once you have followed the requirements, now you can open the ADB fastboot folder on your PC. It may there either on your desktop or C:/ADB i.e. Windows C drive.

Samsung Galaxy Note 8

1. First of all, enable the USB Debugging.

Samsung Galaxy S8 Plus SM-G955U

1. Extract the firmware file.
2. Download Odin.
3. Press and hold the Volume Down + Home buttons together, and then press the Power button, till you see the Samsung logo or the red and yellow text on the screen.

Huawei P9 Lite VNS-L21 Android 6.0 or 7.0

How to up firmware
1. first of all, check your firmware version (if you already have the latest one, you do not need this tutorial)

Honor 4X Lineage OS 14.1 - Nougat 7.1.2

You can install the Official Lineage OS ROM on Honor 4X from any custom recovery like TWRP/CWM/Philz.