Denis Polevoy

busybox
linuxdeploy
xserver-xsdl
archlinuxarm.org

x2go.org
tigervnc.org

md5sum -c twrp-x-onyx.img.md5 md5sum -c purity-x-onyx.zip.md5 md5sum -c blu_spark_x-CM_onyx_x.zip.md5
Settings > About phone
tap on Build number 7 times
Settings > Developer options
check OEM unlocking
check Android debugging

[host root mode]
OnePlus Drivers/adb_config_Linux_OSX.sh
+ authorize your computer’s RSA key fingerprint
reboot fastboot
[fastboot mode]
fastboot devices fastboot oem unlock Yes
Settings > About phone
tap on Build number 7 times
Settings > Developer options check Android debugging
+ authorize your computer’s RSA key fingerprint
reboot fastboot
[fastboot mode]
fastboot devices fastboot flash recovery twrp.img fastboot boot twrp.img
Backup > Storage: MicroSD Card > + Enable compression
+ System
+ Data
+ Boot
+ Cache
+ Persist
+ Boot
+ Recovery
+ EFS
Swipe to Back Up

Reboot Recovery
[recovery mode]
Wipe > Advanced Wipe > + Cache Format File system > F2FS
Wipe > Advanced Wipe > + Dalvik Cache
Wipe > Advanced Wipe > + System Cache
Wipe > Advanced Wipe > + Data Format File system > F2FS
Wipe > Advanced Wipe > + Micro SDCard Format File system > F2FS
Advanced > ADB Sideload > Swipe to Start Sideload

[host root mode]
adb devices List of devices attached xxxxxxx sideload adb sideload purity-x-onyx.zip adb sideload blu_spark_x-CM_onyx_x.zip adb sideload BETA-SuperSU-vx.zip Reboot System

Settings > About phone
tap on Build number 7 times
Settings > Developer options
check OEM unlocking
check Android debugging