Cellmapper Field Test Reader

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Field Test Reader

This is deprecated feature and not available in app after 5.1.4.

Feature not working after Android 7+. Use native Cell ID API to get band data.

Cellmapper Field Test Reader is new feature on Cellmapper app. You can with this feature read Band and Bandwith data without root. This feature is available Cellmapper 4.1.5 16.3.2016 to 5.1.4.

  • This feature working only with Samsung Phones and Nexus 6.
  • Can read LTE-CA information for latest Samsung Phone's (S6 and S7)
  • Require API 4.2 on App version 5.0.5 and newer version. If device not support API 4.2, should use old API and logcat (require root).

Tested Phones:

  • Samsung Galaxy S6 SM-G920F with Android 5.1.1 and 6.0.1
  • Samsung Galaxy S6 Edge + SM-G928F with Android 5.1.1 and 6.0.1
  • Nexus 6

Tested NSG method (Method working if NSG working on your phone):

  • Samsung Galaxy S3 4G (Qualcomm)
  • HTC One M8
  • Nexus 5X
  • Nexus 6P
  • Sony XZ

More phones here: Tested_Phones

How to enable this feature?

1. Enable Cellmapper Field Test Reader under Android Settings:

 Android Settings -> Accessibility -> Cellmapper Field Test Reader

Screenshot 20160317-180505.png Screenshot 20160317-180517.png

2. Open Cellmapper App and enable recording

3. Open Service Mode calling *#0011#. Wait few seconds...

Screenshot 20160322-220051.png Screenshot 20160322-220352.png Screenshot 20160322-220051.png

4. Switch back to Cellmapper App (Don't close Service Mode) and watch if you see Band and Bandwith data.

  • When you record, you must run Service Mode on foreground! If not, band data cannot save.

Screenshot 2016-03-18-11-54-45.png Screenshot 20160322-220103.png Screenshot 20160322-220130.png

Network Signal Guru (Working 1.1.4 version): You can use Network Signal Guru also. First change on NSG Settings all to Decimal and then restart NSG.

Photo 2016-12-19 15-55-14.jpg

Then open Network Signal Guru and CellMapper. Keep Network Signal Guru Foreground so when you switch back to CellMapper you should see example LTE MIMO, LTE Bandwith, LTE Band data.

If Band data not showing or data is wrong?

Please ask/report everything to Google Plus community or email: support (at) cellmapper.net.