Category Archives: Reports

The State of LTE March 2015

This year’s State of LTE report, published today, illustrates that there is a high degree of variation between LTE networks worldwide, both in terms of speed and coverage. While 4G LTE is considerably faster than 3G, it still lags someway … Continue reading

Posted in Reports | Tagged , , , , , | 5 Comments

Mobile Sensor Networks: Creating a Social Laboratory

What is a smartphone? That seems like a simple question. On one level a smartphone is a communication device that allows people to communicate with each other, either by text or call, or over the Internet. The focus is always on … Continue reading

Posted in Mobile Trends, Reports, Sensors | Tagged , , , , , , , | Leave a comment

New Report: The Global Prevalence of Dual-SIM Android Devices

Dual-Sim Android devices, we thought, were relatively uncommon. No one at OpenSignal owns a Dual-SIM device, despite being more aware than most about the coverage blackspots that plague every city in the world – including our own office. We had … Continue reading

Posted in Mobile Trends, Reports | Tagged , , , , | Leave a comment

State of US Wi-Fi Report

One of the many interesting datasets collected from users of the OpenSignal app is a large volume of Wi-Fi speedtests. Until now we have rarely looked at our Wi-Fi data for reports or blog posts, but since Wi-Fi is a … Continue reading

Posted in Reports | Tagged , , , , , , , | Leave a comment

UK Roads & Rails

Today we published a report into mobile coverage on UK Roads and Railways,  taking a look at how well served the transport infrastructure of the UK is by mobile connectivity. This is an area that the UK regulator, OfCom, has emphasised … Continue reading

Posted in Mobile Trends, Reports | Tagged , , , , | Leave a comment

US LTE performance: T-Mobile fastest, Verizon best coverage

Yesterday we released a report into the state of LTE in the US, with a particular focus on how network performance changes over time. Mobile networks in the United States have been under particular scrutiny lately, with Verizon and T-Mobile … Continue reading

Posted in Mobile Trends, Reports | Tagged , , , , | 4 Comments

The State of LTE – Q1 2014

Using data from LTE users of OpenSignal worldwide we’re happy to announce our most comprehensive study of LTE experience worldwide to date. It shows huge variation across two key metrics: download speed and the amount of time users have access … Continue reading

Posted in Reports | Tagged , , , , , | Leave a comment

Your smartphone battery measures the weather

This is the story of the most surprising thing we have yet discovered at OpenSignal. Eighteen months ago we began gathering data on battery performance from our Android app – the metrics available on Android include charge level, voltage and … Continue reading

Posted in Reports, Sensors, WeatherSignal | 3 Comments

3.5% of clocks are over an hour out on Android

At OpenSignal, each datapoint we collect has two timestamps: the time the reading was taken and the time the reading was inserted to our server. Because we make extensive use of SQLite cacheing on devices, these times can be far … Continue reading

Posted in Android Development, Reports | Leave a comment

Traveling Man: Tools and Apps for Testing Cell Networks Across America, Part II

Early on we realized that some kind of tablet would be necessary to monitor the internal testing dashboard on the go. To be totally honest, I was hesitant about the usefulness of an iPad Mini. We just needed to monitor … Continue reading

Posted in Other, Reports, Team | Tagged , , , , , , , , , , , , , , , , | Leave a comment