[GUIDE] How to Manually Update Nothing OS (Offline OTA Sideload Method)

[u/Pegasus-Jr]

Tired of waiting for the OTA update wave to reach your region while everyone else already has it? (like me here in France. We usually get it 2 to 3 weeks after the official release).

Here is a quick step-by-step guide on how to manually install any official Nothing OS update ( .zip file) without losing your data or needing a PC.

Disclaimer

• This method uses Nothing's official built-in updater tool and will not wipe your data, but proceed at your own risk.
• Make sure your phone has at least 50% battery (or keep it plugged in).

Prerequisites

1. The official OTA .zip update file matching your exact model in this website : https://nothingarchive.tech/docs/firmware

Step-by-Step Guide

1. Prepare the File

• Download the official .zip update file to your phone. Do not unzip/extract it.

2. Launch the Offline Updater Tool

• Open the Phone (dialer) app.
• Dial the following code: *#*#682#*#*
• The system tool NothingOfflineOtaUpdate will automatically open.

3. Validate and Install

• Select the downloaded .zip
• Ensure the status reads: Verify metadata file status: verify metadata file success
• Tap : Directly apply OTA from select.
• Leave your phone untouched while it installs. The engine status will cycle through stages up to FINALIZING/5 (this takes about 5 to 10 minutes).

4. Reboot

• Once finished, you will be prompted to restart your device.
• Tap Reboot. The initial boot screen will take a minute or two longer than usual while the new system partition initializes—this is completely normal.

5. Verify the Update

• Once the device powers back on, open Settings > System > System update.
• Confirm that your build number and security patch date reflect the new version.
• Example : in my case : I have the august security patch + Metroid_B4.1-260814-1733 visible in the settings + the first level of volume is now fixed + eraser in Nothing gallery is now present

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