The move will prevent buyers from the phones with extremist materials downloaded by some vendors, police said.
The defendants' sentences ranged from 10 to 18 years.
Terrorist organisations have turned their guns on each other.
Kazakh politicians, religious leaders, specialists and NGO representatives are uniting to fight terrorism and extremism.
He is accused of taking part in the August 30 bombing of an embassy.
Authorities fear the potential for radicalisation of migrant workers who gradually lose touch with their homeland.
Imams in southern Kyrgyzstan are working closely with their congregations to prevent radicalisation.
Uzbekistani officials benefited from a Tashkent seminar.
Authorities this year have repatriated more than 150 Tajiks accused of terrorism and extremism.
The Interior Ministry seeks to take fingerprints and DNA samples in its fight against terrorism.