. Installing the wrong firmware can permanently damage or "brick" your car stereo. 1. How to Get the Correct Firmware Contact Support
Most Erisin Android units follow a standard update procedure via USB:
Send a request to with your model number and current MCU version. Their response time is 24-72 hours. They will send a Google Drive or Dropbox link. This is the safest method. erisin firmware update download
If you need to wipe all data during the install, create a text file named ZQ_UPDATE_CONFIG (no extension) on the USB root with the line format_data=1 . Start the Update:
Erisin recommends contacting their support team directly to receive a verified download link for your specific hardware. Using firmware meant for a different model can permanently damage your radio. 2. Required Tools and Software How to Get the Correct Firmware Contact Support
Use a high-quality drive and format it to FAT32 before use.
| Issue | Solution | |-------|----------| | USB not detected | Try another USB port (must be the one with GPS label or USB1). Use a 2.0 drive, 8-32GB. | | Update fails at 4% / 7% | Corrupted update.img . Redownload or ask for a different version. | | Touch screen reversed | Factory reset from recovery (power on + reset pinhole for 10 sec). | | Stuck in boot loop | Enter recovery (RST + power button) → wipe data/cache → reinstall firmware. | | MCU version unknown after update | Reflash MCU separately using dmcu.img . | This is the safest method
If the file is compressed, use an application like 7-Zip or WinZip on your laptop to unzip it.
| Parameter | Where to find it | Example | |-----------|------------------|---------| | | On the physical label | ES8706B, ES3046U, ES8110V | | MCU version | Settings → System → About Device | MTCE_GS_V3.71_3 | | Android version | Settings → System → About Device | Android 10, 12, or 13 |