I wanted to get imagryof Sentinel 2 for Ethiopia, any one who can give me the way forward?
You can get S2 data here: https://scihub.copernicus.eu/
This website is almost all time corrupted ;]
Yes, it is a mess. But the right address to complain about it is: email@example.com
You can also use our Sentinel-2 mapping system at http://maps.mundialis.de/ which delivers the download link (among other things).
I have good experiences with https://peps.cnes.fr
Go to “Explore” on the top right.
I made also some good experience with http://earthexplorer.usgs.gov/. But a few tiles are corrupt.