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+# Rooting a OnePlus 6T
+
+The easiest way to root a OnePlus 6T handset is to flash it with LineageOS. Recent versions of LineageOS allow you to enable/disable 'root' directly from the system's settings menu, making it ideal for reverse engineering applications which have root detection.
+
+At the time of writing, the latest version of LineageOS is v18.1 (Android 11), and can be downloaded from [here](https://download.lineageos.org/fajita). The official LineageOS installation instructions can be found on its [wiki](https://wiki.lineageos.org/devices/fajita/install).
+
+N.B. Some applications (annoyingly) require the Google apps suite in order to run. These can be downloaded from [here](https://wiki.lineageos.org/gapps.html).
+
+## Requirements
+
+1. Android Platform Tools.
+2. An OEM unlocked bootloader.
+3. LineageOS recovery image.
+4. Partition copy utility.
+5. LineageOS system image.
+6. Google apps suite.
+
+## Instructions
+
+### Unlocking the OnePlus 6T bootloader
+
+- Boot into the device's bootloader.
+  - If ADB is enabled on the handset, this can be achieved using `adb reboot bootloader`.
+  - Otherwise, with the device powered off, hold `Volume Up` + `Volume Down` + `Power`.
+- Run `fastboot oem unlock`.
+- Reboot the device.
+
+### Flashing the LineageOS bootloader
+
+- Boot into the device's bootloader.
+  - If ADB is enabled on the handset, this can be achieved using `adb reboot bootloader`.
+  - Otherwise, with the device powered off, hold `Volume Up` + `Volume Down` + `Power`.
+- Flash the recovery image using `fastboot flash boot <recovery_filename>.img`.
+
+### Safeguarding the partitions
+
+- Download the parition copy utility from [here](https://www.androidfilehost.com/?fid=2188818919693768129).
+- Sideload the `copy-partitions-20210323_1922.zip` package.
+  - On the handset, select 'Apply Update', then 'Apply from ADB'.
+  - Run `adb sideload copy-partitions-20210323_1922.zip`.
+  - Accept the signature verification warning.
+- Reboot to recovery by selecting 'Advanced', then 'Reboot to recovery'.
+
+### Installing LineageOS
+
+- Perform a factory reset.
+  - On the handset, select 'Factory Reset', then 'Format data / factory reset'.
+- Sideload the LineageOS package.
+  - On the handset, select 'Apply Update', then 'Apply from ADB'.
+  - Run `adb sideload <lineageos_image>.zip`.
+  - If the process succeeds the output will stop at 47% and report adb: failed to read command.
+- Reboot to recovery by selecting 'Advanced', then 'Reboot to recovery'.
+- Sideload the Google apps package BEFORE BOOTING INTO THE OS.
+  - On the handset, select 'Apply Update', then 'Apply from ADB'.
+  - Run `adb sideload <google_apps>.zip`.
+  - Accept the signature verification warning.
+- Reboot!