FlashOTG Android · Legal

FlashOTG Privacy Policy

Version: 1.0.0Last Updated: August 17, 2026Effective Date: August 17, 2026
Language English 中文

This Privacy Policy ("this Policy") explains how FlashOTG (hereinafter "the Software" or "we") collects, uses, and protects your personal information.

We deeply understand the importance of personal information to you and will treat it with the utmost prudence. Please carefully read and fully understand this Policy.

IMPORTANT NOTICE: The Software is an offline utility application for local USB flashing of ESP32/ESP8266 series chips and Arduboy/AVR devices. It does NOT connect to the network or upload any of your information; it only stores necessary device profiles, preferences, and runtime logs locally on your device.

I. Information We DO NOT Collect

The Software is a purely local firmware flashing utility. We do NOT collect or upload any of the following information from you:

1.1 Personally Identifiable Information (PII): Including but not limited to your name, phone number, email address, identification document numbers, biometric data, etc.

1.2 Device Identifiers: Including but not limited to your phone's IMEI, MEID, serial number, MAC address, Android ID / OAID, and other unique device identifiers.

1.3 Location Information: The Software does not access your precise or approximate geographic location.

1.4 Usage Data: The Software does not collect your usage habits, click behavior, operation frequency, or other analytical data.

1.5 Firmware Content: Any firmware files (.hex / .bin / .arduboy / BIN) and their contents that you read, flash, or export remain exclusively on your local device. The Software does not read, copy, upload, or share the contents of these files.

1.6 Device Information: Hardware identification information such as the serial number, chip ID, or MAC address of connected Arduboy/AVR or ESP devices is used only for local device identification. To automatically match a flash plan on the next connection, the ESP device MAC may be stored locally as a "device profile"; some hardware identifiers may appear in runtime logs for troubleshooting, but they are never uploaded to any server. You can clear all local data by uninstalling the Software.

II. Permission Usage

2.1 To provide services properly, the Software may request the following system permissions, but their use is strictly limited to specific functional scenarios:

  • a) USB Device Access Permission
    • Purpose: To establish serial communication with Arduboy/AVR or ESP devices for identification, flashing, backup, verification, or serial monitoring
    • Data flow: Establishes only a local wired connection between your phone and the target device
    • Communication content is never transmitted over the network in any form
  • b) File Access (Storage Access Framework)
    • Purpose: To let you select firmware files (.hex / .bin / .arduboy) or save backups/exports to a location you choose via the system file picker
    • Triggered only when you actively tap "Select File", "Export", or "Backup"
    • The Software does not proactively scan your storage; file save locations are designated by you

2.2 All permissions granted by you are used solely for the above functions and will not be used for any other purposes. You may revoke granted permissions at any time in system settings.

III. Data Storage

3.1 The Software may store the following local data on your device:

  • a) Device profiles (flash plans keyed by the connected ESP device's MAC address, for automatic matching on the next connection);
  • b) Your manually selected language preference (Chinese / English) and legal-terms consent status;
  • c) Runtime logs (stored only in device local storage, for troubleshooting purposes).

3.2 All above data is stored exclusively on your device locally and is never uploaded to any remote server. You may delete runtime logs at any time via the "Clear Logs" function, or uninstall the Software to clear all local data.

IV. Third-Party Services

4.1 The Software does not integrate any third-party analytics SDKs, advertising SDKs, or data statistics services.

4.2 The Software's resources section only displays third-party website link text that you may copy and open in a browser; the Software does not embed a browser or load third-party content. When you visit a third-party website, you are subject to its privacy policy. We are not responsible for the privacy practices of third-party websites.

V. Children's Privacy and Minors Protection

5.1 The Software is not directed at minors under 18 years of age, and minors under 18 are strictly prohibited from using the Software independently (see relevant provisions in the Terms of Service and Disclaimer).

5.2 We do not knowingly collect any personal information from minors (including children under 13 and adolescents under 18). We do not knowingly allow minors to create accounts or use the full functionality of the Software.

5.3 If you are the guardian of a minor and believe that a minor under your guardianship has provided us with personal information through the Software, please contact us immediately. We will promptly delete such data upon verification and take reasonable measures to prevent similar occurrences.

5.4 Where a guardian permits a minor to use the Software, the guardian shall bear full legal responsibility for all usage by that minor. The Software developer assumes no liability for any damages caused by the use of the Software by minors.

VI. Policy Updates

6.1 We reserve the right to update this Privacy Policy at any time. Updated policies will be published within the Software and take effect upon publication.

6.2 For significant changes, we will provide more prominent notice within the Software. Your continued use of the Software after policy updates constitutes acceptance of the updated Privacy Policy.

VII. Contact Us

For any questions, comments, or suggestions regarding this Privacy Policy, please contact the Developer: flashotg@foxmail.com