The mid-range HTC smartphone comes to the carrier's off-contract rate plans.
AT&T broadens its prepaid GoPhone service for certain tablets, including the Apple iPad 3 and Google Nexus 7.
The lower-end Lumia can be had for $99.99 without requiring the usual two-year contract.
The new plans range between $25 and $60 a month, and come after the company scrapped an older set of plans. Starting June 21, prepaid users can ride on the faster 4G LTE network.
AT&T is eliminating certain data plans available to its GoPhone prepaid customers. The company says new plans are coming.
The revamp means that 4G devices, including the iPhone, can now access data over the network instead of just relying on Wi-Fi.
The ZTE-made AT&T Z221 is a basic flip phone that's part of AT&T's prepaid package.
Huawei's AT&T U2800A is a basic phone with a simple design for AT&T's GoPhone prepaid service.
The carrier's new smartphone plan, which costs $10 less per month than the previous offering, goes into effect October 7.
ZTE's AT&T Avail is a prepaid, entry-level handset with a responsive 3.5-touchscreen and 5-megapixel camera