Might be cheaper flying to Basel with Easyjet droping the unit off in Freiburg and fly back, than sending it by Royal Mail.
At least you know its arrived
I suspect, this has more to do with the way it is (not) being used.
I have two ostc4' on 1.6.5 and don't have problems with charging and holding charge.
As it is with any type of electronic equipment with chargeable battery.
Doch, den eleganten Weg gibt es. Plane den Tauchgang (konfiguriere die geplanten Gase im OSTC), Tauche den Plan , benütze/aktiviere die konfigurierten Gase im OSTC. Und wenn du währen des Tauchgangs ein ungeplantes Gas vom Buddy benützt, dann wird es konfiguriert und sogleich geatmet. Da man ja im Te ...
And, from my point of view Diving Log is a nightmare to connect on BT to the OSTC even when the OSTC has a connection with BT to Windows. Its been a problem for years. Not to speak of downoading dives from different OSTCs. I have a lot less problems with Subsurface. The only reason why I persist wit ...
Can you post the configuration of your ostc4 please.
I've been using the ostc 4 as ccr primary and backup. Having done over 150h of dives and never observed that issue.