1) Download OxygenOS 4.1.1 OTA zip file<\/strong> from above and save it inside the folder where ADB files are installed.<\/p>\n 2) Reboot your phone into Recovery Mode<\/strong> by turn off the phone and holding the Power and Volume down buttons.<\/p>\n 3) Now in recovery, choose \u201cInstall from ADB<\/strong>\u201d and tap OK to confirm.<\/p>\n 4) You see a screen with \u201cYou are in sideload mode\u201d.<\/p>\n 5) Connect your device to PC\/Mac and run the following command.<\/p>\n 6) Now wait for a while for the device to update.<\/p>\n 7) Done! Your device will automatically reboot to OxygenOS 4.1.1.<\/p>\n Follow the above guide to Install OxygenOS 4.1.1 on OnePlus 3 or alternately you can flash the full ROM via TWRP Recovery. If you have any question related to this post, feel free to leave that in the comment section.<\/p>\n<\/div>\n<\/div>\n<\/div>\nFor Windows:
adb sideload file name.zip<\/code>\r\nFor Mac\/Linux:
.\/adb sideload file name.zip<\/code><\/pre>\n