Malaysian Prime Minister Mahathir Mohamad (2nd left) visits Huawei's booth at the 5G Malaysia Showcase event in Putrajaya, Malaysia, April 18, 2019. China's technology giant Huawei demonstrated its 5G technology and applications at a 5G Showcase in Malaysia on Thursday that drew the attention of Mahathir. He made a 5G video phone call using a Huawei phone when he visited the company's booth at the 5G Malaysia Showcase event in the country's administrative center of Putrajaya. (ZHU WEI / XINHUA)

Malaysian Prime Minister Mahathir Mohamad visits Huawei's booth at the 5G Malaysia Showcase event in Putrajaya, Malaysia, April 18, 2019.  (ZHU WEI / XINHUA)

Malaysian Prime Minister Mahathir Mohamad (right) listens to the introduction about Huawei 5G smartphone as he visits Huawei's booth at the 5G Malaysia Showcase event in Putrajaya, Malaysia, April 18, 2019. (ZHU WEI / XINHUA)

Malaysian Prime Minister Mahathir Mohamad (5th right, front) poses for photos with guests at the 5G Malaysia Showcase event in Putrajaya, Malaysia, April 18, 2019. (ZHU WEI / XINHUA)