This is the safest approach for fully functional units looking for optimization or recovering from standard software boot-loops. to FAT32 on a PC.
Summary
Improved stability for Bluetooth, Wi-Fi, and smartphone integration.
If your device is stuck cycling on the boot logo or exhibits a blank screen, you must force an internal hardware override:
Performing a via USB restores corrupted partition systems, rewires the Microcontroller Unit (MCU) software, and cleans deep system bugs. This technical walkthrough covers everything required to successfully flash your SP9853i 1H10 device while avoiding bricking risks. 1. Pre-Requisites and Data Preparation sp9853i 1h10 vmm firmware update full
Do not use exFAT or NTFS, as the recovery bootloader of the SP9853i will fail to mount the drive. 2. Prepare the Firmware Files
If your device boots normally into its launcher, use this native menu path:
: Updates for this chipset (such as the November 2019 release) improved Bluetooth versions up to
: Updating with incompatible files can permanently "brick" your unit. Always verify your current build number in Settings > System > About . This is the safest approach for fully functional
If you received a prompt to “update VMM firmware” from an app or notification, ignore it — it is likely malware or a system error. Legitimate VMM updates never occur over the air or via user-initiated actions.
Go to Settings > System > System Update or Settings > Car Settings > About Device > Wireless Update .
: Open your head unit's settings dashboard. Navigate to Settings > System Settings > System Info . Confirm that your device lists sp9853i_1h10_vmm under the model or kernel designation. Do not attempt to use files compiled for MTK, Rockchip, or Allwinner chipsets.
Keep holding the reset button down for until the display illuminates with an upgrade notification window, then release it immediately. If your device is stuck cycling on the
Understanding your hardware layer prevents cross-flashing unverified, incompatible partitions.
However, proceed with caution. Incorrect steps can cause permanent damage. Always triple-check your firmware version, use reliable USB cables, and never interrupt the flashing process. For mission-critical devices, consult a professional repair technician with JTAG capabilities.
The bootloader will detect the update image on startup, bypass the Android OS launch, and automatically open the recovery upgrade progress indicator screen.
Keep the car engine running or use a stable power supply to prevent the unit from shutting down during the 5–10 minute update process. Firmware Update Steps