Downgrading BYD Seal from V1.1 (2310) to V1 (2307)
This downgrade allows the sideloading off APK's (Android Apps) which is a MASSIVE upgrade and absolute game changer
This process carries the risk of bricking your car's screen. Proceed at your own risk, and understand that I am not responsible for any damage caused by this process.
Requirements
A USB drive with at least 8GB of storage
A computer with internet access
Firmware file (download link provided below or click [HERE]
Approximately 1 hour of your time
Let's Get Started
Step 1: Download the Firmware File
Download the firmware file from the provided link or click [HERE]
Step 2: Prepare the USB Drive
(It is critical you have the name and captivation of letters EXACTLY like I show)
Rename the downloaded file to
UpdateFull.zipPlug in your USB drive and format it to FAT32 or exFAT.
Create a folder named:
BYDUpdatePackageon the USB drive.Inside the
BYDUpdatePackagefolder, create another folder namedmsm8953_64.Copy the
UpdateFull.zipfile into themsm8953_64folder.
The USB File Structure should look like the below
Ensure the file structure looks like this:
BYDUpdatePackagemsm8953_64UpdateFull.zip
Downgrading
Now that we have the USB drive ready, we can start the downgrade process.Go in your car and plug in the USB drive in the USB port.
Step 1: Plug in the USB Drive 💾
Insert the USB drive into the USB port in your car. Make sure it's securely connected and ready for the next steps.
Step 2: Confirm the Downgrade ✅
Click on the pop-up notification to confirm and initiate the downgrade process. The car will then begin the process of downgrading to the previous software version.
Step 3: wait ⏱️
Once you've confirmed the downgrade, the process will begin. Please be patient and allow the car to complete the downgrade, which may take approximately 30 minutes to 1 hour to finish.
You have to wait for the screen to reach 100%. If completed correctly, you will see the T&C’s which need to be accepted.
Getting APK’s
The best places I have found to get .apk files are:
Installing the APK’s
(It is critical you have the name and captivation of letters EXACTLY like I show)
Step 1:
Format your USB to fat32 format and do not add ANYTHING to it.
Step 2:
Create a folder called “third party apps”
Step 3
Add APK files to the folder called “third party apps”
Step 4
PROFIT
APK’s I have loaded and found useful
Gbox
Firefox
ARBP (A Better Route Planner)
