The Xiaomi Mi4i is a smartphone developed by Xiaomi Inc. It is part of Xiaomi's mid-range smartphone line, and was released in April 2015.If your Xiaomi Mi4i has a problem, get in touch with Quick Mobile Fix for a quick and reliable repair. We have a wide range of Xiaomi Mi4i repairs, this includes screen repairs, battery repairs, charging port repairs and much more! Please see all repairs available listed below.All our prices include shipping costs. Free Postage and Return Delivery on ALL repairs. No Hidden Costs. The price you see, is the price you pay at checkout. For your peace of mind, all devices are covered for up to £500 insurance when in transit. Do not forget all repairs (not including diagnostic and cleaning services) are covered by Quick Mobile Fix's own "No Fix, No Fee" policy.