BYD OTA Update Guide: What to Expect

Complete guide to BYD over-the-air updates - how they work, what they fix, and best practices.

What You'll Need

  • BYD mobile app
  • Stable WiFi connection
  • 30-60 minutes of time

1Understanding OTA Updates

What are OTA updates? **Over-the-air (OTA) updates:** - Software updates delivered via WiFi - No dealer visit required - Can improve performance, fix bugs, add features - Similar to smartphone updates **Types of updates:** 1. **Infotainment updates** - UI improvements, app updates, bug fixes 2. **Vehicle control updates** - Battery management, motor control, braking 3. **ADAS updates** - Driver assistance improvements 4. **Security updates** - Critical security patches **Update frequency:** - BYD typically releases 2-4 major updates per year - Minor updates/patches more frequent - Australian market getting regular updates since 2023

2Preparing for Updates

Before installing an update: **Requirements:** - Stable WiFi connection (home WiFi recommended) - Battery level above 30% - Vehicle parked (cannot drive during update) - 30-60 minutes available **Best practices:** 1. Park in garage or covered area 2. Connect to home WiFi 3. Ensure battery is above 50% (recommended) 4. Don't schedule if you need to drive soon 5. Read release notes in BYD app **What to expect:** - Update download: 10-20 minutes - Installation: 20-40 minutes - Vehicle unusable during installation - Some features may reset to default

3Installing Updates

Step-by-step installation: 1. **Check for updates** - Open BYD app - Go to 'Settings' > 'System Update' - Or check in-car: Settings > System > Update 2. **Download update** - Tap 'Download' - Ensure WiFi connection is stable - Download takes 10-20 minutes 3. **Install update** - Tap 'Install Now' or 'Schedule' - Vehicle will prompt you to exit - Lock vehicle and wait - Installation takes 20-40 minutes 4. **Complete installation** - Vehicle will restart automatically - Check that all features work - Reset any custom settings if needed **During installation:** - Do NOT attempt to enter vehicle - Do NOT disconnect battery - Do NOT interrupt power - Vehicle may make noises (normal)

4Common Update Issues

Troubleshooting update problems: **Update fails to download:** - Check WiFi connection - Ensure battery is above 30% - Restart vehicle and try again - Contact BYD support if persistent **Update stuck at certain percentage:** - Wait at least 60 minutes before intervening - Check if vehicle is making progress - If truly stuck, contact BYD support - Do NOT interrupt power **Features not working after update:** - Some settings may reset to default - Check and reconfigure settings - Restart vehicle if needed - Contact BYD support if critical features fail **Battery drain during update:** - Normal to see 5-10% battery drop - If battery drops below 10%, update may fail - Ensure battery is above 50% before starting **Rollback:** - OTA updates cannot be rolled back - If critical issues, contact BYD dealer - Next update may fix issues

Applicable Models

BYD Atto 3BYD SealBYD DolphinBYD SharkBYD Sealion 6