Released Mar 2021, newest ROM build 1 day ago (9 ROMs still current). A phone that still gets updates keeps going long after its manufacturer stops.
Hardware
- SoC
- Qualcomm SM8350 Snapdragon 888
- CPU
- Kryo 680
- GPU
- Qualcomm Adreno 660
- Architecture
- arm64
- RAM
- 8/12 GB LPDDR5
- Storage
- 128/256 GB UFS3.1
- Screen
- 6.55" · 1080x2400 · Fluid AMOLED
- Battery
- 4500 mAh
- Network
- 2G GSM · 3G UMTS · 3G CDMA2000 · 4G LTE · 5G NR
- Released
- Mar 2021
Sensors & features
- A-GPS
- Accelerometer
- Compass
- DP over USB-C
- Dual SIM
- Dual-frequency GNSS
- Fingerprint reader
- BeiDou
- Galileo
- GLONASS
- GPS
- SBAS
- QZSS
- Gyroscope
- Hall effect sensor
- Light sensor
- NFC
- Proximity sensor
- Qi wireless charging
- Qi reverse wireless charging
- USB OTG
Specs from the LineageOS wiki (CC BY-SA 3.0).
ROMs · 11
The OnePlus 9 (codename lemonade) has 11 tracked custom ROMs on CustomDroid — including Project Elixir, iodéOS, LineageOS and 8 more, running up to Android 17. Each listing links to the project's own download and install guide, and was last checked against the projects' catalogues on 6 Nov 2026.
Tick “compare” on two or three builds to see them side by side.
- Project ElixirOfficialnear-stockchecked 6 Nov 2026
- iodéOSOfficialprivacy-focusedde-GoogledmicroGlast build 5 Nov 2026 · checked 6 Nov 2026
- LineageOSOfficial
installs with fastboot
before recovery: flash dtbo, vbmeta, vendor_boot from the build
per LineageOS's install guide for this device — follow it, not this summary
Needs a specific stock firmware first — check LineageOS's install guide
last build 2 Nov 2026 · checked 6 Nov 2026 - /e/OSUnofficialprivacy-focusedde-GoogledmicroGlast build 27 Oct 2026 · checked 6 Nov 2026
- crDroidOfficialheavy customisation
files and SHA-256 as published
- build file · v13.0 · 1.82 GB · 25 Oct 2026crDroidAndroid-17.0-20261025-lemonade-v13.0.zipsha256 3ddd3ddc2ee9b4612ac3852185d354dfdfdd2ee33de9a83e1de7cdf267021715
What crDroid published when we last checked. Verify the file you download against the hash on the project's own page; if they differ, don't flash it.
last build 25 Oct 2026 · checked 6 Nov 2026 - build file · v13.0 · 1.82 GB · 25 Oct 2026
- Kali NetHunterOfficiallast build 16 Oct 2026 · checked 6 Nov 2026
- LineageOS for microGOfficialde-GoogledmicroGlast build 16 Oct 2026 · checked 6 Nov 2026
- Evolution XOfficialPixel-styleheavy customisationlast build 15 Sept 2026 · checked 6 Nov 2026
- Project Infinity XOfficialheavy customisationlast build 6 Jul 2026 · checked 6 Nov 2026
- Project MatrixxOfficiallast build 24 May 2026 · checked 6 Nov 2026
- LMODroidOfficiallast build 29 Dec 2025 — over 6 months ago · checked 6 Nov 2026
RSS feed — subscribe to get new OnePlus 9 builds in your reader · JSON
Before you flash
Flashing generally means unlocking the bootloader, booting a custom recovery, wiping, then installing the ROM. Exact steps differ per device and ROM, so follow the Install guide for the one you pick, and back up first. Check what can break (banking apps, DRM, carrier features) and how to get back to stock before you start. Why flash a custom ROM · All guides
This is a Qualcomm device, so on Windows you'll want the Google USB Driver (and QDLoader 9008 to unbrick) before your computer will see it in fastboot. Which USB drivers you need.
LineageOS publishes a step-by-step install guide for this device: wiki.lineageos.org/devices/lemonade
Timeline
- Jul 2026LineageOS, /e/OS, crDroid, Evolution X, Project Matrixx, Project Infinity X, Project Elixir first tracked
- Sept 2026iodéOS, LMODroid, LineageOS for microG, Kali NetHunter first tracked
Dates show when CustomDroid first indexed each ROM for this device, not when support originally launched.
ROM availability and links come from each project. CustomDroid indexes builds, it doesn't mirror them — always download from the official project, verify the file's hash/signature, confirm it matches your exact codename, and back up before flashing.