- Home
- Apps
- Health & Fitness
- Hello Haylou
- Version
Previous Versions

Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: 636a7a28fef1ec18115fff7401077cb2571e0bd1
Size: 32.23 MB
What's New:
- minor ui improvements
- updating translations
25/05/2025 - version: 3.7.2
- Watch face backup and restore
- bug fixes and improvements
17/04/2025 - version: 3.6.6
- chart optimization and bug fixes
20/12/2024 - version: 3.6.5
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix

Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: nodpi
SHA1: f2955a04a0c93df8f112ff498dc72bb838408cfd
Size: 31.85 MB
What's New:
- minor ui improvements
- updating translations
25/05/2025 - version: 3.7.2
- Watch face backup and restore
- bug fixes and improvements
17/04/2025 - version: 3.6.6
- chart optimization and bug fixes
20/12/2024 - version: 3.6.5
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix

Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: dcbd9378367bccf1c7462d8b978784eb78dc903c
Size: 30.81 MB
What's New:
- Watch face backup and restore
- bug fixes and improvements
17/04/2025 - version: 3.6.6
- chart optimization and bug fixes
20/12/2024 - version: 3.6.5
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix
18/11/2024 - version: 3.6.3
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support

Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 65945d851301dedeecd291f0f9cc66a38d4ee533
Size: 30.78 MB
What's New:
- Watch face backup and restore
- bug fixes and improvements
17/04/2025 - version: 3.6.6
- chart optimization and bug fixes
20/12/2024 - version: 3.6.5
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix
18/11/2024 - version: 3.6.3
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support

Requires Android: Android 6.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 1e9f2c985cc9e6fa946fa1f1986e97f74bfa751d
Size: 55.27 MB
What's New:
- chart optimization and bug fixes
20/12/2024 - version: 3.6.5
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix
18/11/2024 - version: 3.6.3
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: fb0494291e350871ae533ed89e7f4d1f973c9368
Size: 25.16 MB
What's New:
- Haylou Watch S6 (R003) support
- Haylou Solar 5 (LS20) support
01/12/2024 - version: 3.6.4
- Haylou Solar Lite (R001) support
- Android 14 bug fix
18/11/2024 - version: 3.6.3
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 0e5431c3634453f421beb431e839c12358a38bd3
Size: 22.71 MB
What's New:
- Haylou Solar Lite (R001) support
- Android 14 bug fix
18/11/2024 - version: 3.6.3
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: db209f4f7a81535eb44deef36629c7bb1c52b31c
Size: 22.7 MB
What's New:
- Haylou Solar Neo (LS21) support
- Haylou RS4 Max (LS17) support
03/10/2024 - version: 3.6.2
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: e43493c4097c5b84c0edd76bed5366c102d0a8b5
Size: 22.27 MB
What's New:
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: eae0e97c16b21e422963ce21822630c1b4289121
Size: 22.27 MB
What's New:
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 9cc9198c50ae6e18884b004b34d501c72c223db4
Size: 22.27 MB
What's New:
- Haylou Iron N1 (LS24) support
30/07/2024 - version: 3.5.9
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 8a34f7c463b385bcc8dd056e63285d11c1f90ec5
Size: 22.68 MB
What's New:
- main screen setting: workout item
- watch face setting: language setting for .tbwf files
- workout sync. bug fix
30/06/2024 - version: 3.5.8
- main screen setting option
- UI improvements
17/06/2024 - version: 3.5.6
- premium mode bug fix (I apologize for the inconvenience caused by the error)
- UI bug fixes
03/06/2024 - version: 3.5.4
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: dd6cce8c4d96b7354dccde337cd349957b19ef27
Size: 22.97 MB
What's New:
- main screen setting option
- UI improvements
17/06/2024 - version: 3.5.6
- premium mode bug fix (I apologize for the inconvenience caused by the error)
- UI bug fixes
03/06/2024 - version: 3.5.4
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 6005d8f8aa3dbaaf58cca7e8c493cdf921bce729
Size: 22.9 MB
What's New:
- premium mode bug fix (I apologize for the inconvenience caused by the error)
- UI bug fixes
03/06/2024 - version: 3.5.4
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 02b81a9ae382e1b6e435126f257d70d63b1acbc9
Size: 22.9 MB
What's New:
- bug fixes
03/06/2024 - version: 3.5.4
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: cc0bbfc6542ff7a629830615fadd68f48045ced9
Size: 22.91 MB
What's New:
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 5c5d28005680f21d3dd7019fd4c793b9968055ab
Size: 22.91 MB
What's New:
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 3d7cc68c57c2e0ce44056590f5d465649e3de6cc
Size: 22.91 MB
What's New:
- new feature: call/sync contacts
04/05/2024 - version: 3.5.1
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 0f7f0b4f387a8a354dd95908a58074b402b1e97c
Size: 22.97 MB
What's New:
- Haylou RS5(LS19) support
- Haylou Solar Pro/Plus: watch face background bug fix
- Haylou Watch 2 Pro: heart rate warning bug fix
02/04/2024 - version: 3.4.0
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk
09/01/2024 - version: 3.2.0
- add EU user consent policy

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: a3f7275694679560f00d31f29617d9c3ea9c9d13
Size: 21.12 MB
What's New:
- Haylou Solar Pro support
- Haylou Solar Plus RT3: alarm editor
19/03/2024 - version: 3.3.1
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk
09/01/2024 - version: 3.2.0
- add EU user consent policy
20/08/2023 - version: 3.1.1
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: cf171aff4def92a368b095e5d74378395b79f7ee
Size: 21.11 MB
What's New:
- Haylou Solar Plus RT3 support
03/03/2024 - version: 3.2.2
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk
09/01/2024 - version: 3.2.0
- add EU user consent policy
20/08/2023 - version: 3.1.1
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: c0501524cad1b21f84139f0858601c0194113268
Size: 19 MB
What's New:
- Haylou LS02 Pro bug fix
- new Internet incoming calls: Skype, Google Mail, KakaoTalk
09/01/2024 - version: 3.2.0
- add EU user consent policy
20/08/2023 - version: 3.1.1
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 5f8e06cbe7c25beafff479eb081089ca440cd330
Size: 14.46 MB
What's New:
- performance improvement and bug fixes
09/01/2024 - version: 3.2.0
- add EU user consent policy
20/08/2023 - version: 3.1.1
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support
17/04/2023 - version: 2.11.0
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 3177dc19e3746888eaa074b58071641e94f92577
Size: 14.45 MB
What's New:
- add EU user consent policy
20/08/2023 - version: 3.1.1
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support
17/04/2023 - version: 2.11.0
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: cd8ae9abcf111ab0d92fb8f5f6b03bb3597f502f
Size: 14.11 MB
What's New:
- performance improvement and bug fixes
15/07/2023 - version: 3.1.0
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support
17/04/2023 - version: 2.11.0
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes
20/02/2023 - version: 2.10.0
- new feature: Theme/Color/Dynamic colour (Android 12 and newer)
- RS4+ watch face upload bug fix

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 0a3f32a02a8f19d902e212a44d48350aaf5bf1b0
Size: 13.97 MB
What's New:
- Haylou Smart Watch 2 Pro support
- improve Android 13 compatibility
29/05/2023 - version: 3.0.0
- Haylou GST Lite support
17/04/2023 - version: 2.11.0
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes
20/02/2023 - version: 2.10.0
- new feature: Theme/Color/Dynamic colour (Android 12 and newer)
- RS4+ watch face upload bug fix

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: c9db2ea2423d557274262d3b3ffe6e248bd4211f
Size: 13.9 MB
What's New:
- Haylou GST Lite support
17/04/2023 - version: 2.11.0
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes
20/02/2023 - version: 2.10.0
- new feature: Theme/Color/Dynamic colour (Android 12 and newer)
- RS4+ watch face upload bug fix

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: b6c85fe9d82f0f4617d83bea1a92f3f9ec410072
Size: 13.88 MB
What's New:
- Haylou RS4+: synchronise the alarm from the clock
- performance improvement and bug fixes
20/02/2023 - version: 2.10.0
- new feature: Theme/Color/Dynamic colour (Android 12 and newer)
- RS4+ watch face upload bug fix


Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 5a02276d861f59e1416994f7c92d81f366b3e591
Size: 13.71 MB
What's New:
- supports Android 12 (API level 32), check the settings/diagnostic menu for the new permissions
- watch face editor: zoom option
- downloaded watch face files can be opened with the application (share, open in the browser)
10/08/2022 - version: 2.8.2
- Haylou RS4+: compatibility with the new firmware
- watch face editor: new step goal progress, year elements; custom images for day of week, battery, step goal progress

Requires Android: Android 5.1+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 120-640dpi
SHA1: 4f7a1c45b56bbd2a567f8f0c35fc81739aef5b4c
Size: 13.49 MB
What's New:
- Haylou GS support
25/05/2022 - version: 2.6.0
- new feature: smart watch setting/automatic synchronization setting
18/05/2022 - version: 2.5.3
- Haylou RS4 Plus support
01/05/2022 - version: 2.5.0
- new design
06/03/2022 - version: 2.4.1
- watch face editor improvements: alignment, gradient, auto battery (%) and temperature (°) suffix