Apple staff are silhouetted through the glass front of Australia's flagship store in the minutes leading up to the first sale of the iPhone 7 and Apple Watch Series 2 in Sydney, September 16, 2016. REUTERS/Steven Saphore

Apple's new iPhone 7 is displayed after the new iPhone 7 went on sale at the Apple Store at Tokyo's Omotesando shopping district, Japan, September 16, 2016. REUTERS/Issei Kato

Apple employees cheer as the first customers to purchase new iPhone 7 walk in the door at Australia's flagship Apple store in Sydney, September 16, 2016. REUTERS/Jason Reed

Ayano Tominaga poses with her Apple's new iPhone 7 after purchasing it at the Apple Store at Tokyo's Omotesando shopping district, Japan, September 16, 2016. REUTERS/Issei Kato

A motorist rides a bike on an empty road on the day of a state-wide strike called by various organisations to protest against a Supreme Court order asking Karnataka to release water from the river Cauvery to the neighbouring state of Tamil Nadu, in Bengaluru, September 9, 2016. REUTERS/Abhishek N. Chinnappa

Members of the security forces make their way past burning lorries in Bengaluru, which were set on fire by protesters after India's Supreme Court ordered Karnataka state to release 12,000 cubic feet of water per second every day from the Cauvery river to neighbouring Tamil Nadu, India September 12, 2016. REUTERS/Abhishek N. Chinnappa

A municipal worker sweeps around the charred remains of a lorry set ablaze during the violent protests after India's Supreme Court ordered Karnataka state to release water from the Cauvery river to the neighboring state of Tamil Nadu, in Bengaluru, India, September 14, 2016. REUTERS/Abhishek N. Chinnappa

Men ride a motorcycle past a lorry in Bengaluru, which was set on fire by protesters after India's Supreme Court ordered Karnataka state to release 12,000 cubic feet of water per second every day from the Cauvery river to neighbouring Tamil Nadu, India September 12, 2016. REUTERS/Abhishek N. Chinnappa