Same month in which he died, but earlier; he had been to the US sometime in August too, reportedly:
AUGUST 2, 2010 : (HILLARY CLINTON & HUMA ABEDIN DISCUSS HAVING A SECURE CELL PHONE SENT THROUGH THE MAIL; HILLARY INQUIRES IF ANTHONY WEINER CAN DELIVER) On Aug. 2, 2010, Abedin and Clinton discussed the need to send a secure cell phone through the mail.-—
As Secretary of State Clinton Asked If Weiner Could Deliver ‘Secure Phone’
freebeacon.com ^ | 11/3/16 | Elizabeth Harrington
http://freebeacon.com/politics/secretary-state-hillary-asked-weiner-deliver-secure-phone/
“Elsewhere in the top-floor flat - in a bizarre ritualistic scene - his mobile telephone and a collection of SIM cards were carefully laid out.”