On the P1 terminal, go to Settings > About Device and tap the Build Number seven times to unlock Developer Options. Go back to Settings > Developer Options and enable USB Debugging . Connect to PC: Plug the terminal into your computer.
Connect your Sunmi P1 to a stable Wi-Fi network (Wi-Fi is preferred over 4G to prevent data interruption).
Scroll down and select (or About Device > System Updates ). Sunmi P1 4g Firmware
: Built-in 58mm high-speed thermal printer, 5.0MP camera for QR scanning, and support for EMV chip, magnetic stripe, and NFC payments. 2. Managing Sunmi P1 4G Firmware
For merchants, these advances translate into smoother checkout experiences, stronger fraud defenses, and the ability to roll out new services without replacing hardware. On the P1 terminal, go to Settings >
Wait for a green checkmark or a "Success" dialogue box to appear.
Sunmi OS allows merchants to utilize the and POS Steward . These cloud-based tools let administrators push application updates, enforce Kiosk mode, and monitor device health remotely. Because of this specialized software, you cannot simply flash generic Android ROMs onto the P1 4G; you must use Sunmi-verified firmware builds to ensure hardware features—like the built-in thermal printer and payment modules—function correctly. Why Do You Need to Update or Flash Firmware? Connect your Sunmi P1 to a stable Wi-Fi
When a device is more than hardware—when it’s a platform that merchants, developers, and service providers build on—the firmware becomes the quiet hero. The Sunmi P1 4G isn’t just another point-of-sale terminal; it’s a compact commerce engine whose firmware shapes security, connectivity, performance, and the very possibilities of in-store and on-the-go transactions. This feature dives into the firmware that makes the P1 4G sing: what it delivers today, why it matters tomorrow, and how it opens avenues for businesses of every size.
The safest and most straightforward way to update your Sunmi P1 is through the official Sunmi cloud ecosystem.
: Only download firmware updates from official sources, such as the Sunmi website. Using third-party firmware can lead to compatibility issues and security risks.