Requirements of the mobile device (Android and iOS)
ANDROID DEVICE:
Minimum configuration:
Android 8 and newer.
Supporting Google Play and Google Play Services (some Huawei and unbranded devices are not supported);
SIM card support with mobile phone number and 3G connectivity or better;
RAM at least 1GB;
Camera: back camera with resolution at least 2MP;
NFC reader;
Recommended configuration (for the best experience):
Android 11 and newer.
Supporting Google Play and Google Play Services (some Huawei and unbranded devices are not supported it);
SIM card support with mobile phone number and 4G connectivity or better;
RAM at least 2GB;
Storage at least 32GB with at least 5GB of free storage;
Camera: back camera with wide lens and resolution at least 4MP and auto-focus with LED diode for flash;
Battery case is recommended in case battery capacity is less than 3500mAh;
Dust and water protection (IP64, IP68) is recommended if the phone is used outside; (phone cover can protect device in case it falls on the ground);
Accelerometer and compass capability;
NFC reader;
Example of recommended Android mobile devices:
Samsung XCover 5, XCover Pro, A52, A72, S21, S21+, S22, S22+, Fold
Caterpillar CAT S42, S42 H+, S52, S62
Motorola G10, G30
Google Pixel
Oukitel WP12 (low cost), WP13, WP15 (biggest battery), WP17
Example of recommended Android tablets:
Samsung Galaxy A7 LTE, A7 Lite LTE, A8 LTE, S6 LTE, S7 LTE, S7 5G
Not recommended Android manufacturers:
Huawei, Xiaomi, Realme, Honor, OnePlus, ZTE, OPPO, Vivo, Lenovo (all due to security risk or bad user experience)
APPLE DEVICE:
iPhone and iPad devices with SIM card and iOS 15, iPad OS 15 and newer.
Example of recommended devices:
iPhone SE, 6S, 7, 8, X, XR, XS, 11, 12, 13, 14 or newer
iPad with SIM card support: Mini 4; Air 2; Pro or newer