ColorOS 17 Global Notes
1- Do not complain about battery backup or heat it's oplus LET THE ROM SETTLE for 1-2 Days at least
2- Battery backup? Mostly like stock after settle
3- If you're facing some 5G issue in Jio network to fix that flash from Indian HyperOS 3.0.30* firmware the modem.img file
4- Do not change the kernel for best experience (We're not responsible about battery, performance, stability issues if you changed the kernel since there's a huge drivers and Implementation inside it)