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ColorOS 17 Closed Beta Testing (CBT) Begins: Full Device List, China Rollout, Application Dates & How to Apply

August 6, 2026

Oppo and OnePlus have expanded the ColorOS 17 Closed Beta Testing (CBT) program. Following the initial global rollout in key regions like India, Oppo has now officially opened ColorOS 17 Closed Beta recruitment in China for its top-tier flagship lineup and tablet series.

Whether you are tracking regional builds or looking to join the early testing wave on Android 17, here is the complete breakdown of eligible devices, recruitment timelines, and update push schedules.

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ColorOS 17 CBT China Recruitment: Key Details

The Chinese recruitment batch covers Oppo’s latest foldables, flagship series, and tablets, with a strict limit of 300 seats per model.

China Eligible Device List

Oppo Find N6 / N6 Satellite Communication Edition
Oppo Find X9 Pro / X9 Pro Satellite Communication Edition
Oppo Find X9 Ultra / X9 Ultra Satellite Communication Edition
Oppo Find X9s Pro
Oppo Find X9
Oppo Pad 5 Pro

China Timeline & Review Schedule

Application Limit: ~300 users per model.
Review Window: August 7 / August 10 to August 12, 2026 (varying by device model).
Update Push Date:
- August 11, 2026: Oppo Find X9 Pro series.
- August 13, 2026: All remaining eligible models (Find N6, Find X9 Ultra, Find X9s Pro, Find X9, and Pad 5 Pro).

Global & India CBT Recruitment (Recap)

For global markets, the ColorOS 17 Closed Beta testing window is also live across select flagship models, including the newly opened India program for the OnePlus 15.

Brand	Model	Region / Status	Application Window	Seat Limit
OnePlus	OnePlus 15	India (Live)	August 6 – August 7	300 Slots
OnePlus	OnePlus 15R	Global (Live)	August 6 – August 7	300 Slots
Oppo	Oppo Find X9 Pro	Global (Live)	August 6 – August 7	300 Slots
Oppo	Oppo Reno 15 Pro	Global (Live)	August 6 – August 7	300 Slots
Realme	Realme GT 8 Pro	Global (Live)	August 6 – August 7	300 Slots

For broader Android 17 update roadmaps and eligibility schedules across other major OEMs, stay tuned to detailed tracking on NokiaPowerUser.

How to Apply for ColorOS 17 Closed Beta

If you are using a supported device and want to grab one of the 300 testing slots, follow these steps before the recruitment window closes:

Go to Settings on your smartphone or tablet.
Select About Device (or System Update).
Tap the three dots in the top-right corner.
Select Beta Program (or Trial Version).
Tap Closed Beta / CBT Recruitment.
Submit your details and agree to the tester guidelines.

Important Reminder Before Updating

Because Closed Beta Testing builds represent early Android 17 development, expect potential software bugs, battery drain, and app incompatibility issues. Always back up your critical data to local or cloud storage before installing CBT builds.