![]() ![]() For GSM, cell tower are identified via cell id and location area code (CID and LAC) Moving in the direction of your cell tower (the signal compass) will not always improve reception due to interference effects/local geography.Advanced notes: Verizon and Sprint) will see only one tower that they are connected to as highlighted. Of the towers that are displayed on the map, CDMA users (e.g. Not all towers and wireless routers are in our database - we're working on it! We're working hard to make sure the data you contribute to the project is available to everyone as quickly as possible.Tips: Don't worry though, we log the information you share with us to improve our coverage maps and signal information. (NB – this is why the app needs permission to access contacts and SMS, these are the permissions needed to count calls and texts, messages are never accessed or read!).We use Google Maps in our apps, email us if you cannot access Google Maps, email us to request another map technology.Maps not updated in real-time. The Stats tab helps you to keep track of your usage, so there's no danger of you going over your plan limit on data, voice or text. Similarly our download and upload tests run on a network of CDNs to recreate the speeds from sites like Netflix & Youtube. We measure ping on popular servers like Google and Facebook. Our wifi maps help you find local public-access wireless networks (WAPs).Speed test works on cellular and wifi, dsl, adsl and cable connections. Simply follow our signal compass to walk towards better phone signal or see our in-app coverage maps to work out which carrier is best for where you are, useful if you're thinking about changing. Phone settings permission allows network reset on certain Android versionsBased on our community-generated data we are able to help keep you better connected by giving you a practical solution to the problems of slow mobile internet and dropped calls. ✓ Save data to your SD CardSMS Permission required to count the number of SMS sent to track your usage, SMS are never read (use a packet sniffer to check!) ✓ Set live wallpaper that changes with signal strength - see ✓ Personal statistics on your signal quality ✓ Share your findings and compare your connection with other users ✓ Maps also show network speeds and reliability ✓ Coverage maps allow you see the best/worst places for 2G, 3G and 4G ✓ Speed test for download, upload and latency ![]() ✓ Map and radar view of cell towers and Wifi routers With OpenSignal you can see cell towers around you on a map, and the signal compass points you in the direction you need to walk in to improve your connection immediately.✓ Signal compass points you in the direction your signal is coming from ![]()
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