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Nothing Phone 3a (nothing-asteroids)

From postmarketOS Wiki
Nothing Phone (3a) & (3a) Pro
Manufacturer Nothing
Name Phone (3a) & (3a) Pro
Codename nothing-asteroids
Released 2025
Type handset
Hardware
Chipset Qualcomm Snapdragon 7s Gen 3 (SM7635)
CPU Octa-core (1x2.5GHz Cortex-A720
3x2.4GHz Cortex-A720
4x1.8GHz Cortex-A520)
GPU Adreno 810
Display 1080x2392 (120Hz 6.77" Amoled)
Storage 128/256 GB
Memory 8/12 GB
Architecture aarch64
Software
Original software
The software and version the device was shipped with.
Android 15
Extended version
The most recent supported version from the manufacturer.
Android 15
postmarketOS
Mainline
Instead of a Linux kernel fork, it is possible to run (Close to) Mainline.
yes

Users owning this device


Contributors

How to enter flash mode

  • Bootloader: Power on the device with both Power and Volume Down buttons.
  • Recovery: Power on the device with both Power and Volume Up buttons.
  • Fastbootd: Reboot into bootloader mode first and then run fastboot reboot fastboot from a computer.

How to unlock bootloader

Unlocking the bootloader is similar to Google Pixel, use the official guide from Google.

Installation

Note Note: The device has not yet been merged into pmaports. Use manual installation.

PostmarketOS Installation guide.