Connect your Sunmi P1 to a stable Wi-Fi network (Wi-Fi is preferred over 4G to avoid data charges and interruptions).
: Major updates are often pushed automatically to terminals with stable Wi-Fi or 4G connectivity.
Connect the turned-off Sunmi P1 to the PC using the USB-C cable while holding down the button (or both Volume keys, depending on the hardware revision) to trigger the MTK BootROM mode.
For business owners managing multiple devices, the platform provides a centralized dashboard. Shanghai Sunmi Technology Co,Ltd , China P1 - device.report Sunmi P1 4g Firmware
Disconnect the device and hold the power button to boot into the new firmware. Troubleshooting Common Firmware Issues 1. Bootloop or Stuck on Sunmi Logo
: Navigate to Settings > System > System Update .
Running outdated firmware on a payment terminal can disrupt your business operations. Regular updates provide three primary benefits: 1. Payment Compliance and Security Connect your Sunmi P1 to a stable Wi-Fi
Enable on the Sunmi P1 (if the device is accessible) via Developer Options. Power off the terminal.
Once downloaded, click . The device will reboot and install the firmware automatically. Do not press the power button during this process. Method 2: Manual Flashing via Sunmi Partners Platform
Many Sunmi P1 terminals are sold through Mobile Device Management (MDM) providers (like Esper or custom bank networks). If your device is locked by an MDM provider, flashing stock firmware might be blocked. You will need to contact the platform administrator to release the IMEI of the device before a clean firmware overwrite can occur. Best Practices for Maintaining Sunmi Hardware For business owners managing multiple devices, the platform
The flashing process will begin automatically. Wait for a green checkmark or success prompt before disconnecting the device. Best Practices for Firmware Management
Do you manage a or a large fleet of terminals?