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Main features
- Almost Real-Time (1 sec.) monitoring of cellular carrier and WiFi signals in Gauge and Raw Tabs
- 5G, LTE+, LTE, IWLAN, UMTS, GSM, CDMA support
- One-tap WiFi/mobile internet performance speed test (download, upload, ping, and jitter)
- Dual-SIM support
- 2-3 Signal-meter gauges for both SIMs and WiFi
- Signal Descriptions, up to 2 cells
- Band number
- SIM# preference option, for other than Gauge tab
- Map with network cellular info and signal-meter gauges
- History Logs, Measurements of cellular signals (in the Map tab)
- Indication of cell locations (not carrier cell towers) in the Map from Mozilla Location Service (MLS), excl. CDMA
- Personal Best Signal Finder map layer shows your signal strength history by location
- Crowdsourced Best Signal Finder shows your carrier's nearest best signals
- Personal Best Signal Finder history graphs your signal strength over time
- Route coloring (in the Map) according to the signal strength, and map markers with location and signal info
- Measurements settings (minimum distance, minimum accuracy, motion sensor, etc.)
- Database export history measurements in KML 2.2, MLS Geosubmit v.2, CLF v.3, OpenCellID CSV, and CMWF database types
- Network information in Status Bar
- Raw view of carrier network cellular info
- Connection statistics (2G/3G/4G/5G)
- SIM and device info
Paid / patched version
System Requirements:
Requirements: Android 7.0+
Home Page-

https://play.google.com/store/apps/details?id=com.wilysis.cellinfo&hl=en