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The S1 Mini is extremely easy, safe and secure for merchants looking for a next-generation payment device.

Optimize your checkout process

Castles Technology’s newly designed S1 Mini is a next generation mobile device offers multifunctional capabilities
and optimizes the checkout process for your business.

The S1 Mini is based on a secure Android platform and comes with several features including 4G LTE, Wi-Fi, Bluetooth, and front camera.

The S1 Mini is an extremely easy, safe and secure for merchants looking for a next generation payment device.




2 Mega Pixels


Stylus, Bracket, Charging Cradle


3.97" Touch


1600 mAh Li-Ion


4G LTE, Wi-Fi, Bluetooth

S1 MINI Specifications

Processor: Cortex A53 Quad-core 1.3GHz + Secure MCU

Memory: Flash/RAM 16GB/2GB

Operating System: Android 10

Display: 3.97”TFT Color Display, with Capacitive Touch screen

Card Reader: Smart Card, Contactless, SIM, SAM

Communication Interface Options: Wire, Wireless

Audio: Speaker

Keypad: Virtual Keypad on Touch Panel

Camera: 2MP Front Camera

Software: SDK | KMS | TMS | GDB | CTOS library | ISO 8583 library | Crypto library

Crypto: TRNG | DES | T’DES | AES | RSA | MK/SK | DUKPT

Power Supply: DC 5V/2A

Dimensions (L x W x H): 119mm x 65mm x 15mm

Weight: 150g

Operating Temperature: 0°C to 45°C

Storage Temperature: -20°C to 70°C

Operating Humidity: 5% to 90% non-condensing

Storage Humidity: 5% to 90% non-condensing

Certification: PCI PTS v6.X | EMV L1/L2 | payWave | PayPass | ExperssPay | D-PAS | J/Speedy | FeliCa | QuickPass |TQM

Optional Accessories: Stylus Pen, Charging Cradle, Bracket

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