Haiti

poorest country in the Western hemisphere. 9 million people.

Two providers remain: no LTE officially, trials by Natcom, Digicel markets 3G as 4G
 * Digicel Haiti
 * Natcom 

Concel, brand: Voilá was sold to Digicel in 2012 and closed, Haitel's CDMA network was shut down in 2013.

Digicel Haiti
clear market leader with 75% of all mobile users

https://www.digicelgroup.com/ht/fr/mobile.html

blocked VoIP in 2014, but was ordered to unblock VoIP soon afterwards.

4G is 3G HSPA+

Natcom
(state-owned and Vietnamese Viettel)

http://www.natcom.com.ht

LTE in trials, but already marketed.

Tourist SIM