?4G Network Compatibility?It is unlocked and supports multiple carrier networks, with optimal compatibility on T-Mobile (highly recommended). Other compatible carriers include SpeedTalk, Tello, MetroPCS, and RedPocket. Depending on the signal bands in your area, it may—but is not guaranteed to—work with AT&T, Sprint, and Boost Mobile,U.S. Cellular etc. Note: Not compatible with Verizon. Contact us before purchasing—provide the IMEI and 4G bands so you can verify compatibility with your carrier

?User-Friendly Unlocked Phone with Big Buttons?The artfone A400, featuring a UI operating system, is a large-key senior phone with a raised backlit keypad designed to meet the tactile needs of the elderly. The prominent red and green buttons make dialing and texting easier, reducing errors. This keypad phone is a no-contract device that does not support internet browsing. Beyond basic functions like alarms and radio, it is exclusively designed for calls and SMS

?Safety First, 2MP Camera Captures Precious Moments?While delivering an exceptional user experience, Artfone's 4G phone prioritizes user safety with an SOS button on the back. In emergencies, pressing this button activates a distress signal, automatically dialing five preset emergency numbers and sending a distress SMS until someone answers. The enhanced HD camera allows seniors to capture life's beautiful moments, making the A400 a considerate companion

?Focused on Seniors' Visual and Auditory Experience?This feature phone is equipped with a 2.4-inch LCD high-definition display, offering larger fonts and clearer menu icons to protect seniors' eyesight. The 2030 Box & Stereo speakers provide ultra-high volume, ensuring clearer and more stable calls, a boon for those with hearing impairments

?Worry-Free Battery Life and Convenient Charging Dock?The A400 simple phone uses high-quality materials for its battery, boasting a capacity of 1800mAh, offering 8-10 hours of talk time and nearly a week of standby time on a full charge. It also introduces a new charging dock with battery protection features, ensuring safe and convenient charging for seniors

?Multifunctional Phone with Personalized Contacts?This senior phone supports setting pictures for each contact, facilitating caller ID recognition. It can store up to 1000 contacts and supports audio, video, Bluetooth, FM radio, calculator, alarm, calendar, and more. Multiple alarm settings are particularly useful for seniors who need medication reminders. The physical keyboard and T9 predictive text input ensure fast and accurate texting

?Easy-to-Use Voice Time Announcement and Speed Dial?The artfone senior mobile phone features a unique one-button time announcement function, activated by holding the volume + key for 3 seconds to announce the current time. Dedicated M1/M2/*/# keys and numbers 2-9 enable speed dialing, allowing quick access to frequently contacted individuals without the hassle of manual input