70mai Dash Cam Pro Plus+ A500S

70mai Dash Cam Pro Plus+ A500S

The 70mai Dash Cam Pro Plus+ A500S is a Chinese dual channel dash camera released in Feb 2021. This is the third iteration of this popular dash cam.

  • 1st Iteration: 70mai Dash Cam Pro
  • 2nd Iteration: 70mai Dash Cam Pro Plus (A500)
  • 3rd Iteration: 70mai Dash Cam Pro Plus+ (A500S)

The differences are summarized in the following table:

DetailDash Cam
Dash Cam Pro
Plus (A500)
Dash Cam Pro
Plus+ (A500S)
ReleasedJan 2019Jan 2020Feb 2021
ChipsetHi3556 V100Hi3556 V200NT96580
Voice ControlEnglishN/AN/A
Rear CameraNoNoYes
Dash Cam Pro Series Differences

This series of dash cams have been very popular due to its low cost and good video quality. The latest version, the Dash Cam Pro Plus+ was updated due to increased processor costs from HUAWEI. As a result of these higher costs, 70mai is moving away from the HiSilicon Hi3556 processors.

The front camera uses a Novatek NT96580 processor and Sony STARVIS IMX335 CMOS sensor. The A500S also allows for a rear camera, the 70mai RC06. The RC06 is based on a Fullhan FH8536H processor and Galaxycore GC2053 CMOS sensor. This is the same rear camera used in the A800 / A800S.

70mai RC06 Rear Camera
70mai RC06 Rear Camera

Video Quality

The 70mai A500S front camera records 1944p video at 30fps with an average bitrate of 24.8 Mbps. Video quality during the day is very good and night quality is good. Videos appear to be on par with the previous A500 (both use the same 2G4P lens – 2 layer glass & 4 layers plastic). However when comparing to the original Dash Cam Pro which uses a 6G lens (6 layers glass), the video appears to be not as sharp. This could be due to the lens or early firmware.

There is one thing to be aware of on the video resolution. The A500S uses a 4:3 frame which makes the videos look more narrow when compared to the popular 16:9 frame. This is due to 70mai using the maximum video resolution natively available in the IMX335 CMOS sensor.

The RC06 rear camera records 1080p video at 30fps with an average bitrate of 8 Mbps. When compared to the excellent front camera, the rear camera does not perform as well. The 1080p has good video quality during the day and average at night but some owners have received cameras with below average video quality.

While the rear camera is optional, we suggest purchasing it since the incremental cost for the dual camera version is only $20 more.


The 70mai A500S has identical features as the A500 it is replacing. It has a 2″ screen, g-sensor and built in GPS. The camera comes with WiFi and supporting apps for Android and iOS. Unlike many dash cams with poorly designed apps, the 70mai app is pretty good. The A500S has Advanced Driver Assistance Systems (ADAS) built into the camera. Most owners find this feature annoying and typically turn it off.

The A500S is a small camera at 87.5 x 53 x 19mm and we are fans of the discreet wedge shaped form factor. The camera comes with audio, screen and LED error notifications. The build quality is good and we expect reliability to be similar to the A500 which was above average.

Their are a couple of negatives to be aware of on the 70mai A500S. While parking mode can be enabled, the only option is non-buffered which is not ideal. Also note that you will need to use the optional 70mai hardwire cable for this to work.

The other negative, as can be seen in the pictures below, is that the camera uses a 500mAh battery instead of a capacitor which is not ideal in hot climates. The battery uses a plugin connector which makes it easy to change if it ever dies. No soldering is required if you purchase a direct replacement battery such as this one on Aliexpress.

70mai A500S Battery


70mai support outside of China is not the greatest. However they do create firmware updates for their cameras to fix bugs and enable new capabilities which is a positive. 70mai provides a 12 month warranty, which is standard for most dash cams.

Known Problems

The camera has been recently released and there haven’t been any widespread problems.

Internal Photos

Sample Videos

Note the 4:3 aspect ratio for the videos.

Day Video
Night Video
Comparison of Pro Plus+ to the Original Pro

You can see some reviews on our forum here and here.

Should I Purchase

The 70mai Dash Cam Pro Plus+ A500S is a nice upgrade to both the original 70mai Dash Cam Pro and even the more recent Dash Cam Pro Plus due to the 2 channel support. The impressive video quality for the price, GPS, decent app and occasional firmware updates are positives.

The main drawbacks are the included battery instead of capacitor, 4:3 video aspect ratio (not a big deal but some people may not like this) and no buffered parking mode. Also the rear video quality is not the best. Overall a very good value for money dash cam.

Where to purchase for lowest price

The 70mai A500S sells on Amazon, Aliexpress and eBay.

Note: Links to vendors are affiliate links that support our website. Read our affiliate disclosure here.



Firmware Update Instructions

There are 2 methods to update the firmware: via the app (follow the instructions in the app) or manually (follow the instructions below).

Updating Firmware Manually Steps

  1. Format the Micro SD card in the Dash Cam. Use a 32GB or smaller card.
  2. Download the firmware file and unzip the file
  3. Copy the file “FW96580A.bin” to the root directory of the Micro SD card
  4. Ensure the dash cam is connected to the power supply but turned off (you can first connect the power supply to turn on the recorder, and then press and hold the power button to turn off)
  5. Insert the Micro SD card into the recorder and turn it on
  6. DO NOT press any buttons, and wait 30-40 seconds. During the update, there will be no details on the screen regarding the update, only the LED will turn blue and then red
  7. After updating, format the Micro SD card to remove the firmware

International Firmware

Chinese Firmware


Detailed Specifications

Read Review
Camera Type Dual Channel
Form Factor Wedge
Country China
Processor Novatek NT96580
CMOS Rear Galaxycore GC2053
Channels 2
Screen 2"
Touchscreen No
G-Sensor Yes
Wi-Fi Yes
Parking Mode Non-Buffered
Lock Files Auto or Button
Max Resolution Front 1920×1080p
Front Frames Per Second 30
Max Bitrate Front (Mbps) 24.8
Max Resolution Rear 1920×1080p
Rear Frames Per Second 25
Max Bitrate Rear (Mbps) 10.3
Video Format MP4
Compression H.265
Diagonal Viewing Angle Front 140°
Diagonal Viewing Angle Rear 130°
SD Card Type MicroSD
Max Size (Spec) 128GB
Max Size (User) 256GB
Size Front (mm) 87.5 x 53 x 19
Size Rear (mm) Unknown
Mount Adhesive
Power Supply 5V
Operating Temp -10°C to 60°C
Battery 500mAh
Error Notification Audio and Screen
Swivel (To Record Side Windows) No
Apps Android, iOS
Cloud Connectivity No
Release Date Feb 2021
Warranty 12 months
Unique Features Lane Departure / Front Collision Warning System
Advantages Excellent price
Good video quality
Good reliability
Disadvantages 4:3 Video format
Battery instead of a capacitor
Not buffered parking mode
Final Word Nice upgrade to the original 70mai Dash Cam Pro since it now supports 2 channels and includes GPS. Drawbacks are the 4:3 video format and usage of a battery instead of a capacitor.

Published: February 28, 2021

Updated: January 3, 2021

70mai Dash Cam Pro Plus+ A500S - DashCamTalk
70mai Dash Cam Pro Plus A500S

The 70mai Dash Cam Pro Plus+ A500S is a nice upgrade in the Dash Cam Pro Series due to the 2 channel support. Very good video quality for the price.

Product SKU: 70mai Dash Cam Pro Plus+ A500S

Product Brand: 70mai

Product Currency: USD

Product Price: 80

Price Valid Until: 2023-01-01

Product In-Stock: SoldOut

Editor's Rating: