4G availability

Opensignal analyzed the download speeds that South African users experience when they connect to mobile networks compared to Wifi, and found that cellular technology provided faster download speeds at all times of the day. Opensignal's data shows our smartphone users on average enjoy 14.8 Mbps in download speed when they access the internet using cellular networks — which we measured by looking at all 3G and 4G readings — but only 8.8 Mbps in download speed when connected to Wifi.

The city of Dhanbad is known as the coal capital of India, and is headquarters of some of the country's biggest coking companies in the mineral-rich Jharkhand state. And now Dhanbad is on fire as Opensignal's hottest city for 4G Availability.

OpenSignal measured the impact on smartphone users’ experience before and in the aftermath of the 7.5 magnitude earthquake with epicentre on the Indonesian island of Sulawesi, on Friday September 28, 2018. The earthquake sparked a tsunami with waves up to 6m high, and together they caused wide destruction to the city of Palu and the nearby area.

Reliable communication is key during natural disasters

On Sunday 16 September, Hong Kong was battered by Typhoon Mangkhut, the strongest tropical storm to hit the city in recent decades, with strong winds up to 103 mph (166 kph) that smashed windows and teared off parts of buildings and roofs, leaving more than 100 people injured but thankfully no fatalities.

Kolkata is popularly known as the City of Joy, after the novel and film of the same name. or centuries the region has been celebrated as India's capital of arts and culture — and now its citizens have yet another reason to be proud, as the metro region has topped OpenSignal's list for 4G availability.