Today, Amazon has added five new smartphones to its Prime Exclusives category of unlocked smartphones. This category of smartphones gives you a deal on the phone if you don't mind Amazon's ads on the lock screen. Alcatel has three new "Prime Exclusive" devices: Alcatel IDOL 5S, A50, and A30 PLUS. Both the IDOL 5S and A50 feature a 5.2-inch display, though the A30's is 720p and the IDOL 5S' is 1080p. Meanwhile, the A30 PLUS has a larger 720p 5.5-inch display. As for CPUs, the A30 PLUS and A50 run a MediaTek 6738 Quad Core CPU 1.5GHz while the IDOL 4S runs a beefier octa-core Snapdragon...
Source: http://www.gsmarena.com/nokia_6_available_in_the_us_via_amazon_prime_exclusive_alcatel_idol_5s_and_moto_e4_too_-news-25860.php