inputs.text: warning not approved device apple att - warning buyer beware charger not recommended approved apple att use iphone model may lessen battery lifespan cause battery failure charging iphone car charger became hot touch not happen charge pc usb cable wall charger came phone visited local att store issue recommended immediately discontinue using charger no power regulator safely charge battery informed using types chargers may shorten lifespan battery could cause fail entirely not covered warranty product not recommended approved use iphone apple att