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[Q] How to flash ColorOS

Bit of an unusual one this but how do I flash ColorOS onto my OnePlus One?
My phone originally was the Chinese model so I'd like to flash the version of ColorOS that ships with the Chinese model, if possible.
Thanks!

AlecRobertson said:
Bit of an unusual one this but how do I flash ColorOS onto my OnePlus One?
My phone originally was the Chinese model so I'd like to flash the version of ColorOS that ships with the Chinese model, if possible.
Thanks!
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Click to collapse
Please tell your phone's present condition.
Unlocked Bootloader? Rooted? Recover? Running Rom?

Unlocked bootloader, not rooted, running CM OS 12.

Rebrand op7 Pro from hydrogen os to oxygen os. Downgrading not allowed.

Hello so I got a op7 Pro from china and it has got hydrogenOs. I saw a lot of guides where they tell you to use the local upgrade to install oxygen os. But the problem is that the hydrogen os on this device is the latest version. Whereas the oxygen one on the oneplus 7 pro site is not. So when I try this method it tells me that downgrading is not allowed. I know I can wait for oneplus to update the download link so I can install that one instead but I am wondering if there is another way. Just flash a stock version?

Saif80 said:
Hello so I got a op7 Pro from china and it has got hydrogenOs. I saw a lot of guides where they tell you to use the local upgrade to install oxygen os. But the problem is that the hydrogen os on this device is the latest version. Whereas the oxygen one on the oneplus 7 pro site is not. So when I try this method it tells me that downgrading is not allowed. I know I can wait for oneplus to update the download link so I can install that one instead but I am wondering if there is another way. Just flash a stock version?
Click to expand...
Click to collapse
Try this link
https://forum.xda-developers.com/oneplus-7-pro/help/how-to-convert-tmobile-op7-to-t3935947

Are custom ROMs needed anymore?

Hi!
I'm an owner of an OnePlus 7. I upgraded to Android 10 a while ago and the new OxygenOS looks and feels amazing.
But I also wonder if a custom ROM is still needed or preferred over OxygenOS?

XNemesisX04 said:
Hi!
I'm an owner of an OnePlus 7. I upgraded to Android 10 a while ago and the new OxygenOS looks and feels amazing.
But I also wonder if a custom ROM is still needed or preferred over OxygenOS?
Click to expand...
Click to collapse
Yeah... I'm still for having custom roms... OnePlus right now offers bimonthly updates, so people who want to run the very latest version of Android have to use custom roms.. also OnePlus may not have some features which users who are coming from a custom rom may miss..

Help, need Oppo Find X2 Pro ROM

Hi Everyone ?
Just signed up and new to this world. Recently purchased an Oppo Find X2 Pro only to realize it is the Chinese ROM, model PDEM30. Huge disappointment ???
I desperately need your help in either switching to the global ROM or a custom ROM that will help me get rid of the very irritating Chinese apps and allow me to use apps like Google's Find My Device.
Any help or your kind suggestions will be very much appreciated.
Thank you very much ??

I will be the sad one to tell you as no one seems to want to do so: there's no way to switch to Global ROM on PDEM30 model
The only thing you can do is to get rid of some of the bloatware using ADB but the limitations of Chinese software will stay :/ This community has been trying so long to flash the Global ROM on the Chinese version... without success.

Well i managed to flash the BETA Android 11 on the Global Firmware, and i rollback to Android Q but with CPH2025PU version as the Beta is too laggy and it worked except now my sim card is not detected...
I will try when Oppo will release a new European Firmware

Thank you for your replies
Thank you very much to you both
Guess I will be selling this phone. Am very disappointed in Oppo for limiting their phones so much.

Rom based on OOS?

HI!
Sorry for the NOOB Question...
But, why there are no Custom Roms based on Original Latested OOS Rom wit some Improvements and/or modifications?
Thanks!

have no one any idea?

I just came in here looking for the exact same thing. An OOS13 based Rom... Why? Because I grown a custom with the Oneplus features.
I actually tried the Pixel 7 Pro, was thinking of going to that the OP7P will not receive any more updates, but I couldn't get used to it.