About Cell Signal Monitor
Cell Signal Monitor is a netmonitor for Android that shows the signal strength and quality of GSM, UMTS (WCDMA), LTE and NR (5G) cell towers in real time. An essential tool to check cell signal strength, measure mobile...
Cell Signal Monitor is a netmonitor for Android that shows the signal strength and quality of GSM, UMTS (WCDMA), LTE and NR (5G) cell towers in real time. An essential tool to check cell signal strength, measure mobile network speed and collect statistics about base stations near you.
CONNECTION OVERVIEW
The Overview tab shows the connection status (in service / emergency calls only / out of service / radio off), roaming indicator, duplex mode (FDD/TDD) and network type (GPRS, EDGE, UMTS, LTE, NR and more) for each SIM card. Dual SIM devices are supported.
CARRIER AND CELL INFO
• Carrier name, country code (MCC) and network code (MNC)
• Current cell ID (CID) and area code (LAC/RNC/TAC)
• Signal strength: RSSI for GSM/UMTS, RSRP and RSRQ for LTE/NR
• Channel number (ARFCN), frequency band, CQI, BSIC, timing advance
REAL-TIME SIGNAL STRENGTH CHART
A clear signal strength chart (RSSI/RSRP) updates every second: the higher the signal, the better the cellular connection at your location.
MOBILE INTERNET SPEED
Download and upload speed charts let you check real mobile network speed — a built-in speed test. Download or upload a large file and watch the speed change on the chart. Maximum and average data speed are shown separately.
LOG AND STATISTICS
The log tracks changes in cell ID and signal strength, plus monitoring start/stop events. The statistics tab shows which base stations were used most often, with minimum and maximum signal strength over the selected period. Data from every section can be exported (shared) to other apps.
WIDGET AND NOTIFICATION
A home screen widget and a notification during background monitoring show the key cellular network parameters without opening the app.
Cell Signal Monitor is a handy tool for anyone who wants to check cell signal quality, find weak signal spots, track cell tower changes while roaming or traveling, and test mobile internet speed anywhere.
Previous Versions
Here you can find the changelog of Cell Signal Monitor since it was posted on our website on 2014-06-14 04:10:40.
The latest version is 6.6.8 and it was updated on 2026-10-06 11:51:13. See below the changes in each version.
Cell Signal Monitor version 6.6.8
Updated At: 2026-08-05
Changes: • Improved background monitoring stability
• Fixed errors when saving signal strength measurements
• More reliable log and chart export
Cell Signal Monitor version 6.4.2
Updated At: 2026-08-05
Changes: Bugs fixed
Cell Signal Monitor version 4.02
Updated At: 2014-12-17
Changes: 4.0,- new GUI,- speed of mobile connection,- improved log,- bug fixes
Cell Signal Monitor version 2.3
Updated At: 2012-10-04
Changes: Several fixes and updates
Disclaimer
Official Google Play Link
We do not host Cell Signal Monitor on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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