iStore is an Apple Premium Reseller (APR) and Apple Premium Service Provider (APSP) that was established in 2005 to offer Apple lovers an easy avenue to but Apple products and also receive services to their apple products. The store has presences in many cities in the world, both in Asia and Africa.
Apple Premium Resellers are authorized apple resellers that have business partnership with Apple to sell Apple products and iStore is one of the top in the industry.
The services they offer to Apple lovers in Nigeria include technical support, trade-in (that is to exchange you old iPhone for a new one), repairs, iCare, and device financing (through services like Carbon Zero).
Take advantage of their deals here to get discount when shopping with them in Nigeria.