The HMD 2660 is a classic flip phone, equipped with the S30+ operating system and dual SIM support. The device operates on GSM, WCDMA, and LTE networks, ensuring broad compatibility with 3G and 4G bands. The phone is powered by a Unisoc T107 processor and has 128 MB + 64 MB of internal memory, expandable up to 32 GB. The 2.8-inch QVGA screen is supported by a 1.77-inch secondary display, and is protected by Mohs 4 glass. The HMD 2660 is equipped with a VGA camera with a flash, an FM radio, a USB Type-C port, Bluetooth 5.0, and a 3.5mm headphone jack. A 1450 mAh battery allows you to use 4G networks for up to 8.1 hours.