flexon new sim-only 2gb r99 per month 2gb all-network anytime data new εινεινιτε sim-only per month 15gb all-network anytime data thereafter 'unlimited data at 1.5mbps 6gb | sim-only new 6gb all-network anytime data per month infinite max sim-only per month 30gb all-network anytime data thereafter 'unlimited data at 1.5mbps hificorp telkom