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

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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

305 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
hwOS TECH: New Firmware 3.33

Last post by Gepetto « 29 Mar 2026, 06:45
Replies: 28
by heinrichsweikamp » 03 Jan 2026, 15:59
1

2
28 Replies

26502 Views

Last post by Gepetto
29 Mar 2026, 06:45
hwOS Sport: New Firmware 10.92

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

by heinrichsweikamp » 02 Jan 2026, 19:02

0 Replies

1891 Views

Last post by heinrichsweikamp
02 Jan 2026, 19:02
New registered user? Please read.

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

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

47135 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

79393 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

67486 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
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2
38 Replies

518894 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

114762 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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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

2631 Views

Last post by heinrichsweikamp
04 Jan 2026, 14:04
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

266 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

290 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

2328 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

1277 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

1537 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

1872 Views

Last post by mobu
07 Jan 2026, 19:50
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

1476 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

2611 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

6723 Views

Last post by heinrichsweikamp
03 Jan 2026, 16:00
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

1586 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

205893 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

1537 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

5325 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

1931 Views

Last post by demakos
13 Nov 2025, 20:58
OSTC 2 : bluetooth out of order ??

Last post by singinglarvae « 05 Nov 2025, 18:57
Replies: 2
by singinglarvae » 04 Nov 2025, 19:11

2 Replies

2155 Views

Last post by singinglarvae
05 Nov 2025, 18:57
OSTC SPORT Bluetooth und Download funktioniert nicht

Last post by philipph84 « 26 Oct 2025, 16:59

by philipph84 » 26 Oct 2025, 16:59

0 Replies

1695 Views

Last post by philipph84
26 Oct 2025, 16:59
Compass Indications with v3.27

Last post by ClaudeDive « 10 Oct 2025, 01:15
Replies: 7
by ClaudeDive » 01 Sep 2025, 16:13

7 Replies

4362 Views

Last post by ClaudeDive
10 Oct 2025, 01:15
Compass calibration FW 10.85

Last post by Stardrowned « 09 Oct 2025, 19:46
Replies: 6
by Stardrowned » 05 Sep 2025, 13:40

6 Replies

3767 Views

Last post by Stardrowned
09 Oct 2025, 19:46
OSTC + 4 Pin?

Last post by swissdiving « 03 Oct 2025, 19:13
Replies: 5
by chrischd » 02 Oct 2025, 14:21

5 Replies

3114 Views

Last post by swissdiving
03 Oct 2025, 19:13
Battery status

Last post by Jazzy « 30 Sep 2025, 20:30
Replies: 10
by TUC » 26 Apr 2021, 22:33

10 Replies

11865 Views

Last post by Jazzy
30 Sep 2025, 20:30
OSTC Sport - issue during one dive

Last post by raiko « 25 Sep 2025, 09:59
Replies: 7
by Motardplongeur » 12 Jun 2023, 19:49

7 Replies

30009 Views

Last post by raiko
25 Sep 2025, 09:59
Compass Graphic

Last post by jah24701 « 06 Sep 2025, 04:19
Replies: 2
by jah24701 » 02 Sep 2025, 01:08

2 Replies

3464 Views

Last post by jah24701
06 Sep 2025, 04:19
HW OSTC3 Sport

Last post by PTUK « 03 Sep 2025, 16:22
Replies: 7
by PTUK » 27 Jun 2025, 17:23

7 Replies

7829 Views

Last post by PTUK
03 Sep 2025, 16:22
hwOS TECH: New Firmware 3.26

Last post by heinrichsweikamp « 31 Aug 2025, 16:46
Replies: 13
by heinrichsweikamp » 19 Dec 2024, 18:13

13 Replies

195422 Views

Last post by heinrichsweikamp
31 Aug 2025, 16:46

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