Question: What’s the difference between the two Nexus 5 models D820 and D821?
Answer:
Both models share the same design, buttons, camera,and case
Both the D820 and D821 run the exact same software build.
Both models share the same specs: the screen, processor, RAM, sensors, Wifi and everything else
The only difference is the Radios:
North America (D820) model:
GSM: 850/900/1800/1900 MHz
CDMA: Band Class: 0/1/10
WCDMA: Bands: 1/2/4/5/6/8/19
LTE: Bands: 1/2/4/5/17/19/25/26/41
Rest of World (D821) model:
GSM: 850/900/1800/1900 MHz
WCDMA: Bands: 1/2/4/5/6/8
LTE: Bands: 1/3/5/7/8/20
The D820 model will work just fine for 2G, 3G and LTE data on T-Mobile, AT&T and Sprint.