Also known as lemonadep, 9 Pro (T-Mobile), oneplus-lemonadep
A free replacement firmware exists.
2 known ways to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.
Needs a cable or the command line · LineageOS
The bootloader must be unlocked first, which also wipes the device; some vendors make you request an unlock code or wait before unlocking. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
Needs a cable or the command line · LineageOS
The bootloader must be unlocked first, which also wipes the device; some vendors make you request an unlock code or wait before unlocking. Installing wipes all data on the device: back it up first.
No install report yet. · Report how it went
OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.
No live claim. If you start working on this device, claim it so nobody duplicates your work.
No interface documented yet.
| Project | Kind | Origin | License |
|---|---|---|---|
| LineageOS 24.0 (lemonadep variant 1) | firmware | community | Apache-2.0 |
| LineageOS 24.0 (lemonadep variant 2) | firmware | community | Apache-2.0 |
| Nura/postmarketOS (archived: unmaintained, may not boot, oneplus-lemonadep) | firmware | community | GPL-3.0 |
Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.
AI assistance not stated.
Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.