You can easly use the calendar, alarm clock, and many others.
Maxcom MM835 4G Flip Phone Mobile Phone with 2 Large Displays 3.5" & 2.4", Hearing Aid Compatibility (HAC), SOS Button, Unlocked & SIM Free, USB-C
Maxcom MM835 4G Flip Phone Mobile Phone with 2 Large Displays 3.5" & 2.4", Hearing Aid Compatibility (HAC), SOS Button, Unlocked & SIM Free, USB-C, Red
Maxcom MM248 4G Dual Sim Feature Phone, 2.4 Inch Display, VoLTE, SIM Free, Pay As You Go Phones, Senior Mobile Phones, Basic Mobile Phone, Strong 1000mAh Battery, UK Plug, Black
VOCA V340 4G Big Button Flip Mobile Phone for Elderly (Black), Loud Volume, Charging Dock, Easy to Use, Basic Elderly Phone, Senior friendly, SOS Button, FM Radio, Camera, Talking Key, Picture Contact
Tosaju Senior Mobile Phone 4G Big Button Phone for Elderly Simple Basic Unlocked Sim Free Easy to Use Feature Mobile Phone LCD Display SOS Button 1000 mAh Battery
Garsent 4G Big Unlocked Cell Phone for Seniors with WiFi GPS Bluetooth Camera, Dual SIM Mobile Phone with 3.5 Inch Touch Screen Loud Sound and Large Keys, 2500mAh (Black)
