SK Hynix, a South Korean chipmaker, is investigating how two of its memory chips mysteriously ended up inside the Mate 60 Pro, a controversial smartphone launched by Huawei last week.

SK Hynix Inc. has opened an investigation into the use of its chips in the latest phone from Huawei Technologies Co., after a teardown of the device revealed its memory and flash storage inside.

SK Hynix, a South Korean chipmaker, is investigating how two of its memory chips mysteriously ended up inside the Mate 60 Pro, a controversial smartphone launched by Huawei last week.