NAFS Mobile Battery For IPHONE 4S A1431,A1387,A1387 ,1432 mAh

We take full responsibility of our product! We will send you a replacement within warranty period if the product is defective. 3 Months Warranty from the date of deliveries, Pls contact us if you have any issue. This is a import unit & it comes without retail packaging, QC Pass, professional needed for installation. Please drain all the power of the battery for the first 5 times before charging, and then take a full charge. Thus the battery can be reached the optimum effect of using. Please note that its full effect and longevity is only achieved after 3 to 5 complete charge and discharge cycles, because Li-on Battery become stable after few uses. CAUTION: Do not open, crush, puncture. short external contacts or dispose in fire or water. Risk of fire, explosion and burn. Do not open, crush,heat. Note: After you installed the new battery Reset / format the phone to sync the battery with the phone.