LinkComm

Use LinkComm for Android to communicate with your OTT HydroMet dataloggers!

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Previous Versions

LinkComm 4.0.12 APK

March 26, 2026 73.68 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a

Screen DPI: 120-640dpi

SHA1: 59dd576725a16c5df477ac3430466a9ade249bf6

Size: 73.68 MB

What's New:

Removed Satlink3 v881r4062, XLink 100/500 v881r4062 due to issues with UART detection.
Firmware included: Satlink3 v880r4002, XLink 100/500 v880r4002, ecoLog 1000 v2.00.5, SensorLink v2.00.3.

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LinkComm 4.0.10 APK

December 20, 2025 84.95 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a

Screen DPI: 120-640dpi

SHA1: de7b390a3bc1531a2097777b3bb7f3b9139f8ec2

Size: 84.95 MB

What's New:

Inform user that a password is required when setting up an ecoLog or SensorLink.
Moved XLink-100/500 and Satlink3 Logging settings to Configuration sub-tab.
Fixed several translations and locale formatting.
Fixed bug on XLink-100/500 and Satlink3 where password elevation prompt would repeat.
Fixed several minor exceptions and ANRs on Android.
Firmware included: Satlink3 v880r4002, XLink 100/500 v880r4002, ecoLog 1000 v2.00.4, SensorLink v2.00.201.

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LinkComm 4.0.9 APK

October 29, 2025 87.42 MB

Variant

Arch

Version

DPI

arm64-v8a

Android 5.0+

120-640dpi

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armeabi-v7a

Android 5.0+

120-640dpi

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LinkComm 4.0.8 APK

September 15, 2025 90.86 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: a5417994c05e10a6384843c8ab2b3b656affaeba

Size: 90.86 MB

What's New:

Improved reliability of reconnecting to ecoLog and SensorLink after a firmware upgrade.
Fixed bug where login dialog prevented entry of some higher order characters.
Fixed bug where Local Time Offset and Set Clock were not available.
Firmware included: Satlink3 v880r4002, XLink 100/500 v880r4002, ecoLog 1000 v2.00.3, SensorLink v2.00.2.

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LinkComm 4.0.7 APK

August 21, 2025 90.86 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: 6dc8ea2c77a13e50d3258afea3d5452bef9fa700

Size: 90.86 MB

What's New:

Longitude value for EUMETSAT IDOC satellite now 45.5.
"Show Points" on Data tab Graph now works.
XLink 100 firmware must be v879r4000+ to use secure certificates.
Firmware included: Satlink3 v879r4000, XLink 100/500 v879r4000, ecoLog 1000 v2.00.1, SensorLink v2.00.1.

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LinkComm 4.0.6 APK

August 16, 2025 90.72 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: 1ea25366c238afd8dec3d6495302cabc3a0e5e6a

Size: 90.72 MB

What's New:

Added support for saving station passwords.
Miscellaneous translation improvements.
Fixed errant plausibility warnings for disabled transmissions (ecoLog).
Fixed: Certificate uploads are now saved across reboots (XLink-100).
Firmware included: Satlink3 v877r3958, XLink 100/500 v877r3958, ecoLog 1000 v2.00.1, SensorLink v2.00.1.

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LinkComm 4.0.4 APK

August 2, 2025 90.7 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: 6f81512147c518978d2b49bd571d83f91d43382d

Size: 90.7 MB

What's New:

ecoLog and SensorLink now require login password.
Fixed selecting HTTP/S TX type set server prefix to MQTT.
Can now set PBAT to explicit value.
Improved Hydras 3 workspace test.
Fixed EUMETSAT channel upper limit to 289.
SDI-12 FIND no longer queries meta data.
Fixed translation of “Decimal separator”.
Firmware included: Satlink3 v877r3958, XLink 100/500 v877r3958, ecoLog 1000 v2.00.0, SensorLink v2.00.0

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LinkComm 4.0.2 APK

July 15, 2025 90.56 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: 4fcfa8892d4a2e6115be9c4af3d1968f7ad5087f

Size: 90.56 MB

What's New:

Fixed bug in MIS format where data was no collated properly per channel.
Data tab End Date is now updated on press of Download based on Span.
Added ability to append Lat/Lon to XLink 100/500 transmissions.
New cell provider, “m2m.fusion-iot.de”.
Added Elevation setting to XLink 100/500 and Satlink.
Firmware included: Satlink3 v877r3958, XLink 100/500 v877r3958, X-Link v1.80, ecoLog 1000 v1.01.6, SensorLink v1.00.0

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LinkComm 4.0.0 APK

April 20, 2025 88.95 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 160-640dpi

SHA1: 988a6255038f9c0442fb3f4dec4d776b93d44f4b

Size: 88.95 MB

What's New:

Support for OTT HydroMet’s new SensorLink 1000.
Updated styling.
New dark mode.
Removed outdated station types.
Navigation improvements.
SD Card file management for XLink and Satlink3 families.
And more!
Firmware included: Satlink3 v872r3855, XLink 100/500 v872r3855, X-Link v1.80, ecoLog 1000 v1.01.6, SensorLink v1.00.0

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LinkComm 3.8.7 APK

December 9, 2024 79.09 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: a38f6f394e194fe6ca59cf6bd28f1ecc1416e0e1

Size: 79.09 MB

What's New:

Disable Secure setting for FTP transmissions where MOD-7 or MOD-8 modem is in use.
Firmware included: Satlink3 v872r3855, XLink 100/500 v872r3855, X-Link v1.80, and ecoLog 1000 v1.01.5

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LinkComm 3.8.5 APK

August 27, 2024 79.01 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: 9e3c9ed7d3c6f700d869525b1f6072f8c1f9b1f1

Size: 79.01 MB

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LinkComm 3.8.4 APK

June 10, 2024 78.88 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: c4718091a798e462c64204de0e047e649be89690

Size: 78.88 MB

What's New:

New ecoLog 1000 setting to control SMS reporting on error.
Fixed ecoLog 1000 termination of actions list in config file.
Fixed problem where Data table excluded data having a timestamp in DST transition period.
Firmware included: Satlink3 v852r3628, XLink 100/500 v852r3628, XLink v1.80, and ecoLog 1000 v1.01.5

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LinkComm 3.8.3 APK

December 16, 2023 78.29 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: 4bf36f60f2dbdb7c6aba3823a55ea874b3e01ac5

Size: 78.29 MB

What's New:

Added support for OTTML to XLink 100/500 and Satlink 3.
Misc. bug fixes and improvements.
Firmware included: Satlink3 v852r3628, XLink 100/500 v852r3628, X-Link v1.80, and ecoLog 1000 v1.01.4

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LinkComm 3.8.2 APK

June 8, 2023 78.22 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: 41058823b02b699aab21bef51b811d6a8aa47d19

Size: 78.22 MB

What's New:

Fixed a bug loading an ecoLog configuration from Hydras 3.

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LinkComm 3.8.1 APK

April 3, 2023 78.22 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: 0b0c48e40c83e66fa6f7c3ce659f8979a1cb7eb3

Size: 78.22 MB

What's New:

Fix bug with reordering ecoLog 1000 measurements.
Restore ability to run more than one version of LinkComm simultaneously.
Firmware included: Satlink3 v851r3517, XLink 100/500 v851r3517, X-Link v1.80, and ecoLog 1000 v1.01.2

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LinkComm 3.7.23 APK

December 12, 2022 78.11 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: 0c6a4ac44a5426b40e165237f68c69ce4ea8c9dd

Size: 78.11 MB

What's New:

Update EUMETSAT RF power levels, SL3-Lite compatibility, etc.
Adjust BLE retry timeout.
Fix bug where “View on Data tab” did not work for ecoLog 1000.
Support script transfer between LinkComm and Hydras 3.
Fix bug where Live Poll measures incorrect index.
Firmware included: Satlink3 v850r3515, XLink 100/500 v847r3493, X-Link v1.80, and ecoLog 1000 v1.00.7

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LinkComm 3.7.22 APK

October 6, 2022 78.1 MB

Requires Android: Android 5.0+

Architecture: arm64-v8a, armeabi-v7a

Screen DPI: 120-480dpi

SHA1: c9ac53e42ea746d19f2168f8cb69d8d31fceed32

Size: 78.1 MB

What's New:

Fixed bug sending configuration to ecoLog 1000

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