Oneplus One Android update on Ubuntu

USE FOR YOUR OWN RISK - only upgrade your phone if you know what you're doing!

Download latest:
https://dl.twrp.me/bacon/twrp-3.2.1-0-bacon.img.html
https://devsjournal.com/top-10-custom-rom-for-oneplus-one-bacon.html

apt install android-tools-adb
apt install adb
apt install fastboot

adb devices

lsusb
Bus 001 Device 010: ID 18d1:d00d Google Inc.

sudo nano /etc/udev/rules.d/51-android.rules

SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="d00d", MODE="0666" GROUP="androiddev", SYMLINK+="android%n"

sudo service udev restart

sudo fastboot devices

If device is not shown, do this:

https://stackoverflow.com/questions/46128913/list-of-devices-attached-is-empty-on-ubuntu-16-04-using-adb-devices
https://www.youtube.com/watch?v=HGbcVoR4i74

sudo fastboot devices
sudo fastboot oem unlock
sudo fastboot flash recovery recovery.img
fastboot boot recovery.img

CM12 theme app crashes

Oneplus One Android 5 Lollipop
Go to setting -apps -all.
Scroll down until you find these 3 apps called Theme chooser, Themes and Themes provider.
Clear the data of each one of them.
Most importantly, please do clear other theme related data.
ALL of them,unless it wouldnt worked. 
Then reboot...
https://forums.oneplus.net/threads/is-anyone-having-problem-with-opening-theme-chooser.298676/