FLASHING GUIDE OxygenOS A15 Night

Installing with Fastboot:

- Download SleepOS ROM zip file

- Extract the ROM zip to a new folder

- Power off your device

- Boot your device in Fastboot mode (Hold volume down + power buttons)

- Connect to PC via USB cable

- Run one of the installation scripts (according to your PC operating system):

- first_install_with_data_format - with data wipe, if you're flashing SleepOS ROM for the first time or downgrading.

•Installing with TWRP:

- Reboot to TWRP

- Copy the ROM zip file to the internal storage

- Install -> Select the ROM zip file

- If installing for the first time or downgrading: Wipe -> Format Data

(you can do it at the beginning)

-Reboot to system

Done!

If after flashing Fastboot ROM is not detected, you need to install all these drivers( check in Notes Support Grup type #driver_all)