SEOUL, South Korea — It was supposed to be an enormous — but quick — recall. 
 
 Samsung Electronics of South Korea said two weeks ago that it would recall 2.5 million units of its new high-end smartphone, the Galaxy Note 7, just days after some customers said their phones had caught fire. The recall is the largest in the history of the smartphone industry, but it also won Samsung praise from some in the mobile industry for the company’s speed and decisiveness. 
 
 Today, the recall looks anything but smooth. 
 
 Safety regulators in the United States have issued warnings in recent days cautioning consumers not to turn on their Note 7s on airplanes — and not to use their phones at all. South Korea’s flight regulator, in a reversal, followed suit, as have others around the world. 
 
 The constant reminders of potential combustibility have further dented Samsung’s reputation and shaved as much as $14 billion off its market value, just when it looked to be gaining ground on Apple, its longtime rival, with its new line of sleek Galaxy smartphones. They also raise questions about whether Samsung’s rush to take back the phones created more problems. 
 
 Experts say it led to a ham-handed effort that confused customers, frustrated regulators and continued to generate headlines both in the United States and at home. Data from the mobile analytics firm Apteligent showed that while Samsung’s recall appeared to have stopped new sales of the phone, a majority of people who had the affected phones were continuing to use them. 

 Korean tech giant Samsung is trying to replace some of the 2.5 million smartphones it has recalled in 10 countries, citing fire-prone batteries. The recall has hit its market value. 
 
 Samsung Electronics Co., faced with exploding batteries in some of its top-selling phones, exacerbated the situation in the way it communicated with regulators and consumers, say former U.S. officials and people familiar with similar product recalls. 
 
 The discovery that batteries on the Galaxy Note 7 smartphone could ignite created a tricky task for Samsung: orchestrate a recall of 2.5 million devices spanning 10 countries for a product that is increasingly essential to daily life. 
 
 ... 

 Contact your wireless carrier or place of purchase, call Samsung toll-free at 844-365-6197 anytime, or go online at www.samsung.com . 
 
 The lithium-ion battery in the Galaxy Note7 smartphones can overheat and catch fire, posing a serious burn hazard to consumers. 
 
 Recall Details 
 
 In conjunction with 
 
 Units 
 
 About 1 million 
 
 Description 
 
 This recall involves the Samsung Galaxy Note7 smartphone sold before September 15, 2016. The recalled devices have a 5.7 inch screen and were sold in the following colors: black onyx, blue coral, gold platinum and silver titanium with a matching stylus. Samsung is printed on the top front of the phone and Galaxy Note7 is printed on the back of the phone. 
 
 To determine if your phone has been recalled, locate the IMEI number on the back of the phone or the packaging, and enter the IMEI number into the online registration site www.samsung.com or call Samsung toll-free at 844-365-6197. 
 
 Incidents/Injuries 
 
 Samsung has received 92 reports of the batteries overheating in the U.S., including 26 reports of burns and 55 reports of property damage, including fires in cars and a garage. 
 
 Remedy 
 
 Consumers should immediately stop using and power down the recalled Galaxy Note7 devices purchased before September 15, 2016. Contact the wireless carrier, retail outlet or Samsung.com where you purchased your device to receive free of charge a new Galaxy Note7 with a different battery, a refund or a new replacement device. Go to www.samsung.com for more details. 
 
 Carrier/Retailer Phone Web AT&T 1-800-331-0500 http://www.att.com/esupport/ Best Buy 1-888-237-7289 http://www.bestbuy.com/site/clp/galaxy-note7-information/pcmcat748302046994.c?id=pcmcat748302046994 Sprint 1-888-211-4727 http://newsroom.sprint.com/news-releases/ T-Mobile 1-844-275-9309 http://t-mo.co/Note7_Exchange U.S. Cellular 1-888-944-9400 http://www.uscellular.com/about/ Verizon 1-800-922-0204 http://www.verizonwireless.com/smartphones/ 
 
 Sold at 
 
 Wireless carriers and electronic stores nationwide, including AT&T, Best Buy, Sprint, T-Mobile, US Cellular, Verizon stores and online at www.samsung.com and other websites from August 2016 through September 2016 for between $850 and $890. 
 
 Manufacturer(s) 
 
 Samsung Electronics America Inc., of Ridgefield Park, N.J. 
 
 Manufactured in 
 
 South Korea and China
– Days after Samsung recalled its Galaxy Note 7 smartphones because they were catching fire, some stores in the US were still selling them, the New York Times reports. According to the Wall Street Journal, the US Consumer Product Safety Commission didn't even issue a statement on the hazardous phones until Sept. 9—one week after Samsung's recall—and didn't issue its own official recall notice until Thursday. Experts say that in its haste to recall the Note 7, which was being called the "most impressive smartphone ever" when it was released last month, Samsung botched the execution, especially in the US where it failed to coordinate with the CPSC The recall of 2.5 million phones in 10 countries—the largest recall in smartphone history—has already cost Samsung up to $14 billion in market value and could set it back years in the credibility department. “Samsung cannot afford to lose an inch of competitive ground to Apple in its home US market," one expert says. The official CPSC recall comes just one day before the Apple iPhone 7 is being released, CNN reports. The CPSC is asking that all 1 million Note 7s sold in the US be turned off immediately. There have been 26 reports of burns and 55 reports of property damage from the exploding phones in the US alone. And thanks to Samsung's questionable execution of its recall, delivery of safer replacement phones to US customers could be delayed.