To update the firmware on your ums512-1h10-natv device—typically an Android head unit powered by a Unisoc Tiger T610/T618 processor—you can use either an Online (OTA) or Local (USB) method. ⚡ Update Methods Option 1: Online Update (Easiest)

Q4: The update removed my root access. How do I root again?

A: Most UMS512 firmware is pre-rooted with Magisk or KingoRoot. After an update, you can re-root by flashing Magisk-v26.x.zip via recovery. However, rooting breaks OTA updates and banking apps.

Step 1: Install Drivers (Disable Signature Enforcement)

• Hold Shift while clicking "Restart" on Windows > Troubleshoot > Advanced Options > Startup Settings > Restart > Press 7 (Disable driver signature enforcement).
• Install the SPD_Driver_R4.20.4201 package. You will know it worked when you see "Unisoc Phone" under "Ports (COM & LPT)" when the device is off and connected.

1. Check Touch Orientation: Rotate the screen 4 times. Do the buttons react where you touch? If not, you flashed a non-NATV build.
2. Verify Wi-Fi & Bluetooth: Go to Settings > About. If MAC address shows "02:00:00:00:00:00," you lost your NVRAM. You need to restore the wifi.cfg from the firmware backup folder.
3. Check Storage: Go to Settings > Storage. Is 32GB/64GB showing correctly? If it shows 16GB, you formatted the wrong partition map. Re-flash with the correct partition.xml.
4. Root Check (Optional): If you need root, do not use Magisk on the boot partition immediately. The UMS512-1H10-NATV uses a vbmeta partition. You must run: fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img