OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

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hwOS TECH: New Firmware 3.37

Last post by heinrichsweikamp « 31 May 2026, 16:54

by heinrichsweikamp » 31 May 2026, 16:54

0 Replies

2004 Views

Last post by heinrichsweikamp
31 May 2026, 16:54
hwOS Sport: New Firmware 10.97

Last post by heinrichsweikamp « 24 May 2026, 16:23

by heinrichsweikamp » 24 May 2026, 16:23

0 Replies

3276 Views

Last post by heinrichsweikamp
24 May 2026, 16:23
Using Subsurface to update BLE-only OSTC

Last post by heinrichsweikamp « 09 Apr 2026, 10:22

by heinrichsweikamp » 09 Apr 2026, 10:22

0 Replies

18550 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

77182 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
New OSTC Companion 3.2.1

Last post by gordon mackie « 18 Jun 2025, 17:03
Replies: 12
by heinrichsweikamp » 08 Jan 2020, 14:54

12 Replies

96844 Views

Last post by gordon mackie
18 Jun 2025, 17:03
FAQ: Batteries in the OSTC plus

Last post by heinrichsweikamp « 19 Sep 2023, 12:48
Replies: 1
by heinrichsweikamp » 07 May 2019, 17:44

1 Replies

77672 Views

Last post by heinrichsweikamp
19 Sep 2023, 12:48
OSTC Tools for Windows - HWOS Config for Android

Last post by Rob « 10 Apr 2026, 13:20
Replies: 38
by Rob » 03 Aug 2016, 18:35
1

2
38 Replies

626332 Views

Last post by Rob
10 Apr 2026, 13:20
Updating OSTC 3, sport, Plus, cR and OSTC 2 - HowTo

Last post by jp01000 « 14 May 2025, 17:58
Replies: 6
by heinrichsweikamp » 02 Feb 2015, 09:56

6 Replies

129148 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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OSTC+ Compass Display During Dive – Request for More Ergonomic Visual Indicator

Last post by Motardplongeur « 27 Jul 2026, 15:03
Replies: 1
by Gepetto » 12 May 2026, 11:50

1 Replies

22564 Views

Last post by Motardplongeur
27 Jul 2026, 15:03
ostc3 battery level measurement error

Last post by Juhani « 16 Jul 2026, 21:01
Replies: 1
by grzegorz » 14 Jul 2026, 15:25

1 Replies

553 Views

Last post by Juhani
16 Jul 2026, 21:01
OSTC 2 hwOS tech

Last post by scubatinoo « 23 Jun 2026, 12:12
Replies: 7
by Cavediver0815 » 19 Oct 2020, 09:16

7 Replies

7724 Views

Last post by scubatinoo
23 Jun 2026, 12:12
Firmware update 10.97 Problem beim OSTC Sport

Last post by raiko « 22 Jun 2026, 15:13
Replies: 8
by raiko » 10 Jun 2026, 20:53

8 Replies

1523 Views

Last post by raiko
22 Jun 2026, 15:13
OSTC Sport mit V3.36

Last post by raiko « 19 Jun 2026, 17:58
Replies: 2
by raiko » 19 Jun 2026, 17:07

2 Replies

699 Views

Last post by raiko
19 Jun 2026, 17:58
hwOS TECH: New Firmware 3.33

Last post by heinrichsweikamp « 31 May 2026, 16:54
Replies: 29
by heinrichsweikamp » 03 Jan 2026, 15:59
1

2
29 Replies

153024 Views

Last post by heinrichsweikamp
31 May 2026, 16:54
OSTC Sport Firmware announcement

Last post by heinrichsweikamp « 16 May 2026, 16:19
Replies: 1
by kwolf » 14 May 2026, 23:01

1 Replies

19727 Views

Last post by heinrichsweikamp
16 May 2026, 16:19
OSTC Sport 10.92 Zeit im Logbuch stimmt nicht

Last post by swissdiving « 12 May 2026, 06:14
Replies: 5
by Bubblemanu » 11 May 2026, 14:06

5 Replies

16139 Views

Last post by swissdiving
12 May 2026, 06:14
Cave Edition

Last post by swissdiving « 09 May 2026, 19:15
Replies: 13
by Tastenchef » 06 Mar 2023, 11:21

13 Replies

46025 Views

Last post by swissdiving
09 May 2026, 19:15
OSTC Release 3.34, OSTC HS/Out Of Service/Down !

Last post by Yves « 11 Apr 2026, 07:40
Replies: 1
by Yves » 27 Mar 2026, 08:52

1 Replies

6742 Views

Last post by Yves
11 Apr 2026, 07:40
comparison 2, nano or +?

Last post by heinrichsweikamp « 27 Mar 2026, 09:16
Replies: 3
by hkh » 22 Mar 2026, 12:54

3 Replies

9762 Views

Last post by heinrichsweikamp
27 Mar 2026, 09:16
Feature request: CCR cave bailout function

Last post by Ralph « 14 Mar 2026, 07:35
Replies: 8
by sailor » 26 Jan 2026, 19:32

8 Replies

15917 Views

Last post by Ralph
14 Mar 2026, 07:35
OSTC2 error

Last post by tobbe « 24 Feb 2026, 19:46
Replies: 2
by tobbe » 17 Feb 2026, 14:43

2 Replies

10124 Views

Last post by tobbe
24 Feb 2026, 19:46
Connecting Nano to Subsurface

Last post by swissdiving « 25 Jan 2026, 06:33
Replies: 1
by JochenH » 24 Jan 2026, 11:52

1 Replies

11905 Views

Last post by swissdiving
25 Jan 2026, 06:33
problems updating to firmware 3.32

Last post by mobu « 07 Jan 2026, 19:50
Replies: 4
by mobu » 07 Jan 2026, 07:23

4 Replies

15164 Views

Last post by mobu
07 Jan 2026, 19:50
3.31 beta Version with Surface GF

Last post by heinrichsweikamp « 04 Jan 2026, 14:04
Replies: 5
by heinrichsweikamp » 25 Nov 2025, 16:34

5 Replies

16512 Views

Last post by heinrichsweikamp
04 Jan 2026, 14:04
strange number in "no altitude" menu point

Last post by Viola04 « 03 Jan 2026, 21:15

by Viola04 » 03 Jan 2026, 21:15

0 Replies

21100 Views

Last post by Viola04
03 Jan 2026, 21:15
lime usage time

Last post by heinrichsweikamp « 03 Jan 2026, 16:03
Replies: 6
by Nordicdive.de » 01 Dec 2025, 13:21

6 Replies

15893 Views

Last post by heinrichsweikamp
03 Jan 2026, 16:03
hwOS TECH: New Firmware 3.29

Last post by heinrichsweikamp « 03 Jan 2026, 16:00
Replies: 15
by heinrichsweikamp » 31 Aug 2025, 16:46

15 Replies

36375 Views

Last post by heinrichsweikamp
03 Jan 2026, 16:00
hwOS Sport: New Firmware 10.92

Last post by heinrichsweikamp « 02 Jan 2026, 19:02

by heinrichsweikamp » 02 Jan 2026, 19:02

0 Replies

23458 Views

Last post by heinrichsweikamp
02 Jan 2026, 19:02
OSTC sport : cannot download dives with subsurface since 10.85

Last post by WaryWombat « 12 Dec 2025, 18:02

by WaryWombat » 12 Dec 2025, 18:02

0 Replies

21415 Views

Last post by WaryWombat
12 Dec 2025, 18:02
OSTC 2 (Mod. 2015) does not charge anymore

Last post by heinrichsweikamp « 08 Dec 2025, 11:58
Replies: 6
by Motardplongeur » 01 Aug 2025, 12:51

6 Replies

219256 Views

Last post by heinrichsweikamp
08 Dec 2025, 11:58
Water leakage with OSTC +

Last post by swissdiving « 30 Nov 2025, 16:27
Replies: 1
by DidierF95 » 30 Nov 2025, 15:42

1 Replies

11462 Views

Last post by swissdiving
30 Nov 2025, 16:27
GF99 und SurfGF

Last post by heinrichsweikamp « 25 Nov 2025, 16:35
Replies: 10
by chrischd » 23 Sep 2025, 09:17

10 Replies

21319 Views

Last post by heinrichsweikamp
25 Nov 2025, 16:35
OSTC Sport dive data corrupted during transfer

Last post by demakos « 13 Nov 2025, 20:58
Replies: 1
by raiko » 08 Nov 2025, 13:44

1 Replies

11246 Views

Last post by demakos
13 Nov 2025, 20:58

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