6723D

The Used AT&T 6723D Cingular Flex 2 4GB Classic Navy is a quad-core mobile phone with 4GB of storage capacity and 4GB of RAM. It features a microSD memory card slot for expandable storage, a single SIM card slot, and a flip style design in classic navy blue color. This AT&T branded phone is network locked to the AT&T network and includes a charger for convenience. With energy star rating A, this prepaid phone is a reliable option for those looking for a basic yet functional device.

The AT&T Cingular Flex 2 Smart Flip is a classic navy blue unlocked phone with 4GB of memory storage capacity. It features 4G LTE wireless network technology, 512 MB of RAM memory, and runs on the KaiOS operating system. The phone has a flip form factor and comes with a power adapter and a lithium-ion battery included. With a battery power rating of 2800 Amp Hours and a battery capacity of 1400 Milliamp Hours, this phone offers a reliable and convenient option for those looking for a compact and efficient device for everyday use.

What stands out about adaptive fast charging is how it scales back once the battery is nearly full.