upgrade my att phone

Listings show storage options of 128 GB and 256 GB and consistently list 6 GB of system RAM across the models shown.

Yes — the listings include a 90‑day limited warranty for the pre-owned electronics.

Dimensions vary by model but commonly range from about 5.81 to 6.33 inches in height. Weights in the listings commonly fall between roughly 7.27 and 8.47 ounces.

Many listings note eSIM support and state that a physical SIM card is not included. A subset of listings explicitly mentions dual‑eSIM capability.

The listings report support for 5G and 4G/4G LTE and often include 3G. Wireless technologies shown include GSM and CDMA, plus Bluetooth variants.

Listings show several battery capacities (examples include 3687 mAh and 4323 mAh) and describe non‑universal lithium‑ion batteries. Charging features include wireless charging, Qi fast wireless charging (15 W), MagSafe fast wireless charging (15 W), and a USB‑C to Lightning cable included in the box for fast charging.