Download Nothing OS 2.5.5 rolling out for Phone (2a)

Right after launch, the Nothing Phone 2a is being showered with software updates as it gains traction in the mid-range smartphone category. Following Nothing OS 2.5.4 update featuring tons of camera improvements and bug fixes, here is yet another update enhancing the camera further. So download and install Nothing OS 2.5.5 firmware for the Phone 2a.

One of the highlights of the Nothing OS 2.5.5 update is the significant improvements in camera performance. The update Improved Color Saturation for richer and more vibrant colors in your photos. It also Optimized Portrait Mode for enhanced blur accuracy and overall clarity for portrait shots. Finally, optimized camera loading speed.

Nothing OS 2.5.5 firmware update for Nothing Phone 2a also bring the latest April 2024 security update. Optimized Google Assistant Wake-up. Smoother transitions with optimized pop-up view animations. The update also optimized the gaming experience and performance.

Addressing user-reported issues, Nothing OS 2.5.5 comes equipped with various bug fixes, including Compatibility with Third-Party launchers, fix stability issues related to WiFi and Bluetooth connections, and fixed Night Light on Lock Screen.

Nothing OS 2.5.5 Patch Notes

  • Camera
    • 📸 Improved camera color saturation.
    • 👤 Optimized blur accuracy in Portrait Mode, as well as overall clarity.
    • ⚡ Enhanced camera loading speed.
  • General improvements
    • 🛡️ Updated to April Security Patch.
    • 🗣️ Optimized the Google Assistant wake-up experience.
    • 🏞️ Optimized pop-up view animations to feel more fluid.
    • 🚀 Increased overall smoothness.
    • 🎮 Optimized overall gaming experience and performance.
  • Bug fixes
    • 📱 Resolved compatibility issues with some third-party launchers.
    • 🌐 Fixed stability issues with WiFi and Bluetooth connections.
    • 🌙 Fixed an issue where the Night Light feature was ineffective on the lock screen.
    • 🛡️ Optimized the overall stability of the system.

Download Nothing OS 2.5.5 OTA Update

Here are the OTA update zips for the latest Nothing OS 2.5.5 stable (Android 14) available for download directly from the manufacturer’s servers.

Note: The EEA & Global variants have the same firmware now as they have been unified! This is great news as you only need a single file. Codenames – Pacman (Global) – (Europe) – (India)

How to Install Nothing OS firmware update ZIP file onto Nothing Phone 2a?

You can Nothing Phone by installing Nothing OS OTA update zips manually via ADB sideload method or recovery method. See the tutorial on How to install OTA updates on any Android device?

Install OTA using Local Upgrade method

  • Create a folder named “ota” (without the quotes) at the root of the internal storage. Meaning outside every folder.
  • Copy the OTA update ZIP file from above to that folder.
  • Open the phone app and Dial *#*#682#*#*
  • This should launch an offline update tool.
  • The tool will scan for an OTA file from internal storage and install it.
  • If that fails, you can manually browse for the OTA package.
  • After selecting the OTA file, the wizard will apply the update.
  • Reboot the device and you are on the latest firmware.

Note: If the dialer doesn’t work in your region,

You can also use the Activity Launcher app or QuickShortcutMaker to locate and execute the “OfflineOTAUpgrade” tool.

The package name you should be looking for is com.nothing.OfflineOTAUpgradeApp.

Troubleshooting Error Code 2

Note: If you receive Error Code 2 while installation like this:


Set the time zone to Cina, Shangai to use the offline updater or local upgrade.

Go to settings > Search Date & Time > untick automatic hours > Set timezone to Region China / Shangai.

Retry installation. Thanks to M1Κ4_3L.



Follow and Subscribe

Sarang Avatar

2 responses

  1. Pumer Luoi Avatar
    Pumer Luoi

    The download links are still 2.5.4a

    1. Sarang Avatar

      Updated. The download link was for 2.5.5 indeed. Just needed to correct the version number.

Leave a Reply


Follow and Subscribe

Featured News

Back to top arrow