A man adjusts his HTC's Virtual Reality headset at the Mobile World Congress in Barcelona, Spain, February 28, 2018. REUTERS/Sergio Perez 

People check HTC's Virtual Reality headsets at the Mobile World Congress in Barcelona, Spain, February 28, 2018. REUTERS/Sergio Perez 

People check HTC's Virtual Reality headsets at the Mobile World Congress in Barcelona, Spain, February 28, 2018. REUTERS/Sergio Perez 

The Google logo is seen on a smartphone in front of a displayed HTC logo in this illustration taken September 21, 2017. REUTERS/Dado Ruvic/Illustration 

The Google logo is seen on a smartphone in front of a displayed HTC logo in this illustration taken September 21, 2017. REUTERS/Dado Ruvic/Illustration 

Google hardware executive Rick Osterloh (2n-L) shakes hand with HTC CEO Cher Wang during a news conference to announce Google to acquire HTC's Pixel smartphone division, in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

Google hardware executive Rick Osterloh (L) shakes hand with HTC CEO Cher Wang during a news conference to announce Google to acquire HTC's Pixel smartphone division, in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

The logo of Vive, a brand of virtual reality headset developed by HTC and Valve Corporation is seen at HTC headquarters, in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

A man leaves from HTC headquarters before a news conference to announce Google to acquire HTC's Pixel smartphone division, in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

A photographer takes photo of HTC's Vive Virtual Reality (VR) goggles at HTC headquarters, in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

Logos of HTC are seen outside its store in Taipei, Taiwan September 21, 2017. REUTERS/Tyrone Siu 

A HTC "U11" smartphone is displayed in this illustration photo taken August 1, 2017. REUTERS/Tyrone Siu/Illustration 

The logo of Taiwanese first VR theme park "Viveland", is seen in Taipei, Taiwan August 1, 2017. REUTERS/Tyrone Siu 

The logo of HTC is seen at its store, in Taipei, Taiwan August 1, 2017. REUTERS/Tyrone Siu 

A pair of Vive Virtual Reality goggles, produced by Taiwan's HTC, is seen during the Gamescom 2015 fair in Cologne, Germany August 5, 2015. The Gamescom convention, Europe's largest video games trade fair, runs from August 5 to August 9. REUTERS/Kai Pfaffenbach

A pair of Vive Virtual Reality goggles, produced by Taiwan's HTC, is seen during the Gamescom 2015 fair in Cologne, Germany August 5, 2015. The Gamescom convention, Europe's largest video games trade fair, runs from August 5 to August 9. REUTERS/Kai Pfaffenbach

A customer holds his new HTC One mobile phone purchase as others queue during the first day of public sales at Taman Anggrek Mall in Jakarta, June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

Customers hold bags containing their HTC One mobile phone purchases during the first day of public sales at Taman Anggrek Mall in Jakarta, June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

A customer (R) holds his new HTC One mobile phone during the first day of public sales at Taman Anggrek Mall in Jakarta, June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

Customers queue to purchase the new HTC One mobile phone during the first day of public sales at Taman Anggrek Mall in Jakarta, June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. The word "Habis" on the screen
means "sold out". REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

A customer reacts as he tries the new HTC One mobile phone during the first day of public sales at Taman Anggrek Mall in Jakarta June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

A sales girl displays the new HTC One mobile phone during the first day of public sales at Taman Anggrek Mall in Jakarta, June 8, 2013. The first 500 HTC One smartphones, one of the latest series by Taiwanese mobile phone maker HTC Corporation, was sold out in three hours since its release in Indonesia on Saturday, according to Budi Janto, HTC Indonesia's country manager. REUTERS/Beawiharta (INDONESIA - Tags: SOCIETY BUSINESS TELECOMS) 

A man cycles past a HTC advertisement in Taipei December 7, 2011. HTC Corp. said on Wednesday it has no plans for now to change its fourth-quarter sales guidance, as shares in the world's No.4 smartphone maker fell over 5 percent on concern its sales decline may not moderate from a 30 percent drop in November. REUTERS/Pichi Chuang (TAIWAN - Tags: BUSINESS TELECOMS) 

Scott Croyle, vice president of design, HTC Corporation unveils the new HTC smartphone Rhyme in New York September 20, 2011. The device will come with three accessories, a docking station, a tangle-free headset and an attachment called the "Charm", which glows to alert the user to an incoming call. Verizon Wireless will be the exclusive carrier to offer the device which will also be on sale in Target stores. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS TELECOMS) 

A man plays with a HTC Desire smartphone at a mobile phone shop in Taipei August 15, 2011. HTC, the world's No. 5 smartphone maker, said on Monday it would triple its China outlets to 2,000 by end of this year from 650 now. The company, one of the largest manufacturers of Google's Android-based devices, is embroiled in an acrimonious patent war with Apple, and is also seeing its rapid growth slow in an increasingly competitive market. REUTERS/Pichi Chuang (TAIWAN - Tags: BUSINESS) 

A man walks past a HTC advertisement in Taipei August 15, 2011. HTC, the world's No. 5 smartphone maker, said on Monday it would triple its China outlets to 2,000 by end of this year from 650 now. The company, one of the largest manufacturers of Google's Android-based devices, is embroiled in an acrimonious patent war with Apple, and is also seeing its rapid growth slow in an increasingly competitive market. REUTERS/Pichi Chuang (TAIWAN - Tags: BUSINESS) 

A new HTC Android-based smartphone Sensation is displayed during a news conference for the launch of the product in Taipei May 27, 2011. The mobile phone which was launched on Friday, features a 4.3 inch display screen and is priced at NT20,900 or ($725). REUTERS/Pichi Chuang (TAIWAN - Tags: SCI TECH BUSINESS) 

The new HTC Incredible S is displayed at the GSMA Mobile World Congress in Barcelona February 15, 2011. The GSMA Mobile World Congress, representing the interests of the worldwide mobile communications industry, will take place from February 14-17 in Barcelona. REUTERS/Albert Gea (SPAIN - Tags: SCI TECH BUSINESS) 

The new HTC Salsa is pictured at the Mobile World Congress in Barcelona February 15, 2011. The GSMA Mobile World Congress, representing the interests of the worldwide mobile communications industry, will take place from February 14-17 in Barcelona. REUTERS/Albert Gea (SPAIN - Tags: SCI TECH BUSINESS) 

Visitors walk past a HTC sign at the GSMA Mobile World Congress in Barcelona, February 14, 2011. The GSMA Mobile World Congress, representing the interests of the worldwide mobile communications industry, will take place from February 14 to February 17 in Barcelona. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS SCI TECH) 

Two HTC smartphones "Smart" are displayed in a mobile phone store in Taipei April 28, 2010. Taiwan's HTC, the world's No. 5 smartphone brand, expects to announce a Windows 7 phone by the end of this year, it said on Wednesday. REUTERS/Pichi Chuang (TAIWAN - Tags: SCI TECH BUSINESS) 

Models display new HTC Android-based smartphone Legend during a news conference in Taipei March 24, 2010. The smartphone is priced at $530. REUTERS/Pichi Chuang (TAIWAN - Tags: SCI TECH BUSINESS) 

Peter Chou (L), CEO of HTC Corp., and Sprint CEO Dan Hesse hold HTC EVO 4G smartphones at the International CTIA Wireless trade show in Las Vegas, Nevada March 23, 2010. REUTERS/Steve Marcus (UNITED STATES - Tags: SCI TECH BUSINESS) 

A Singapore Telecommunications representative displays the HTC Dream phone, which runs Google Inc's Android operating system, during a preview for Reuters in Singapore February 20, 2009. Singapore Telecommunications said on Friday it will begin selling the HTC Dream, or Google mobile phone, in Singapore from February 21, making it the second market in Asia to see their launch. REUTERS/Vivek Prakash (SINGAPORE) 

(L-R) Google's Senior Director of Mobile Platforms Andy Rubin, T-Mobile USA's Chief Technology Officer Cole Brodman, Google's founders Larry Page and Sergey Brin, Deutsche Telekom's Group Product and Innovation Officer Christopher Schlaffer and High Tech Computer (HTC) Corporation's Chief Executive Officer Peter Chou, show the new G1 phone running Google's Android software in New York September 23, 2008. T-Mobile USA, a Deutsche Telekom AG unit, will sell the first phone powered by Google Inc's Android operating system under the brand name T-Mobile G1, said its partner Amazon.com Inc on Tuesday. REUTERS/Jacob Silberberg (UNITED STATES) 

(L-R) High Tech Computer (HTC) Corporation's Chief Executive Officer Peter Chou, Google's Senior Director of Mobile Platforms Andy Rubin, Deutsche Telekom's Group Product and Innovation Officer Christopher Schlaffer and T-Mobile USA's Chief Technology Officer Cole Brodman hold the new G1 phones running Google's Android software in New York September 23, 2008. T-Mobile USA, a Deutsche Telekom AG unit, will sell the first phone powered by Google Inc's Android operating system under the brand name T-Mobile G1, said its partner Amazon.com Inc on Tuesday. REUTERS/Jacob Silberberg (UNITED STATES)