Dashcam Memory Card Troubleshooting: Fix Common Issues

A large number of dash cam issues are actually related to the memory card rather than the device itself. From unexpected errors to corrupted files, a faulty or incompatible memory card can easily affect video recording quality. This guide covers the most common memory card problems and provides step-by-step solutions to keep your Miofive dash cam running smoothly.

Scenario 1: Memory card damaged, please replace.

In some cases, the memory card may become corrupted due to undetectable reasons.

How to fix it:

It is recommended to replace it with a new memory card.

Scenario 2: Memory card error, please format.

It is mostly caused by a faulty or incompatible card.

How to fix it:

1. Try formatting the memory card.

You can do this either on the dash cam or through the app.

On the dash cam:

Settings → More Settings → Format Memory Card → YES

(YouTube tutorial: [https://www.youtube.com/watch?v=MqbQIqSVNb4]

Via the app:

Method 1:Home → Devices → tap the three dots in the upper right corner (Quick Settings) → More → Format SD Card

Method 2: Home → Devices → Live → tap Settings in the upper right corner → Format SD Card

2. If the issue persists, please replace the memory card with one we recommend. Click “Recommended Cards.”

Tips: Even when loop recording is enabled, it’ s important to format your memory card regularly to maintain stability and performance.

Scenario 3: Please format memory card. 

If you notice that your dash cam video is choppy, interrupted, or fails to save properly, the issue is often linked to the speed performance of the memory card.

High-resolution recording requires a card with sufficient write speed. If your memory card is too slow, files may become corrupted or recording may stop altogether.

How to fix it:

1. Test your memory card’ s speed using a third-party tool. We suggest ATTO for reliable results. [Click to download the ATTO tool directly]

2. Check the specifications of your current memory card.If it doesn’ t meet the requirements, It is recommended to replace it with a new memory card.

✅ By ensuring you’ re using a high-quality, properly formatted, and fast enough memory card, you’ ll avoid most memory-related issues and keep your dash cam recording smoothly.

For best performance, the Miofive Dash Cam requires a Class 10 U3 card. We suggest using Miofive-branded cards, available on Miofive.com and Amazon. They are optimized for 4K recording and fully tested for compatibility. While we recommend our cards, you are free to choose other brands.